989555910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:363

約数の個数: 256

約数和(自身を含む): 3065610240

約数和(自身を除く): 2076054330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 23, 30, 35, 38, 41, 42, 46, 57, 69, 70, 82, 95, 105, 114, 115, 123, 133, 138, 161, 190, 205, 210, 230, 246, 263, 266, 285, 287, 322, 345, 399, 410, 437, 483, 526, 570, 574, 615, 665, 690, 779, 789, 798, 805, 861, 874, 943, 966, 1230, 1311, 1315, 1330, 1435, 1558, 1578, 1610, 1722, 1841, 1886, 1995, 2185, 2337, 2415, 2622, 2630, 2829, 2870, 3059, 3682, 3895, 3945, 3990, 4305, 4370, 4674, 4715, 4830, 4997, 5453, 5523, 5658, 6049, 6118, 6555, 6601, 7790, 7890, 8610, 9177, 9205, 9430, 9994, 10783, 10906, 11046, 11685, 12098, 13110, 13202, 14145, 14991, 15295, 16359, 17917, 18147, 18354, 18410, 19803, 21566, 23370, 24985, 27265, 27615, 28290, 29982, 30245, 30590, 32349, 32718, 33005, 34979, 35834, 36294, 39606, 42343, 45885, 49970, 53751, 53915, 54530, 55230, 60490, 64698, 66010, 69958, 74955, 75481, 81795, 84686, 89585, 90735, 91770, 99015, 104937, 107502, 107830, 114931, 125419, 127029, 149910, 150962, 161745, 163590, 174895, 179170, 181470, 198030, 204877, 209874, 211715, 226443, 229862, 248009, 250838, 254058, 268755, 323490, 344793, 349790, 376257, 377405, 409754, 423430, 452886, 496018, 524685, 537510, 574655, 614631, 627095, 635145, 689586, 744027, 752514, 754810, 804517, 1024385, 1049370, 1132215, 1149310, 1229262, 1240045, 1254190, 1270290, 1434139, 1488054, 1609034, 1723965, 1736063, 1881285, 2048770, 2264430, 2413551, 2480090, 2868278, 3073155, 3447930, 3472126, 3720135, 3762570, 4022585, 4302417, 4712171, 4827102, 5208189, 6146310, 7170695, 7440270, 8045170, 8604834, 8680315, 9424342, 10416378, 12067755, 14136513, 14341390, 17360630, 21512085, 23560855, 24135510, 26040945, 28273026, 32985197, 43024170, 47121710, 52081890, 65970394, 70682565, 98955591, 141365130, 164925985, 197911182, 329851970, 494777955, 989555910]

約数ペア:

[(1, 989555910), (2, 494777955), (3, 329851970), (5, 197911182), (6, 164925985), (7, 141365130), (10, 98955591), (14, 70682565), (15, 65970394), (19, 52081890), (21, 47121710), (23, 43024170), (30, 32985197), (35, 28273026), (38, 26040945), (41, 24135510), (42, 23560855), (46, 21512085), (57, 17360630), (69, 14341390), (70, 14136513), (82, 12067755), (95, 10416378), (105, 9424342), (114, 8680315), (115, 8604834), (123, 8045170), (133, 7440270), (138, 7170695), (161, 6146310), (190, 5208189), (205, 4827102), (210, 4712171), (230, 4302417), (246, 4022585), (263, 3762570), (266, 3720135), (285, 3472126), (287, 3447930), (322, 3073155), (345, 2868278), (399, 2480090), (410, 2413551), (437, 2264430), (483, 2048770), (526, 1881285), (570, 1736063), (574, 1723965), (615, 1609034), (665, 1488054), (690, 1434139), (779, 1270290), (789, 1254190), (798, 1240045), (805, 1229262), (861, 1149310), (874, 1132215), (943, 1049370), (966, 1024385), (1230, 804517), (1311, 754810), (1315, 752514), (1330, 744027), (1435, 689586), (1558, 635145), (1578, 627095), (1610, 614631), (1722, 574655), (1841, 537510), (1886, 524685), (1995, 496018), (2185, 452886), (2337, 423430), (2415, 409754), (2622, 377405), (2630, 376257), (2829, 349790), (2870, 344793), (3059, 323490), (3682, 268755), (3895, 254058), (3945, 250838), (3990, 248009), (4305, 229862), (4370, 226443), (4674, 211715), (4715, 209874), (4830, 204877), (4997, 198030), (5453, 181470), (5523, 179170), (5658, 174895), (6049, 163590), (6118, 161745), (6555, 150962), (6601, 149910), (7790, 127029), (7890, 125419), (8610, 114931), (9177, 107830), (9205, 107502), (9430, 104937), (9994, 99015), (10783, 91770), (10906, 90735), (11046, 89585), (11685, 84686), (12098, 81795), (13110, 75481), (13202, 74955), (14145, 69958), (14991, 66010), (15295, 64698), (16359, 60490), (17917, 55230), (18147, 54530), (18354, 53915), (18410, 53751), (19803, 49970), (21566, 45885), (23370, 42343), (24985, 39606), (27265, 36294), (27615, 35834), (28290, 34979), (29982, 33005), (30245, 32718), (30590, 32349)]