221318580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:398

約数の個数: 192

約数和(自身を含む): 758661120

約数和(自身を除く): 537342540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 139, 140, 170, 204, 210, 223, 238, 255, 278, 340, 357, 417, 420, 446, 476, 510, 556, 595, 669, 695, 714, 834, 892, 973, 1020, 1115, 1190, 1338, 1390, 1428, 1561, 1668, 1785, 1946, 2085, 2230, 2363, 2380, 2676, 2780, 2919, 3122, 3345, 3570, 3791, 3892, 4170, 4460, 4683, 4726, 4865, 5838, 6244, 6690, 7089, 7140, 7582, 7805, 8340, 9366, 9452, 9730, 11373, 11676, 11815, 13380, 14178, 14595, 15164, 15610, 16541, 18732, 18955, 19460, 22746, 23415, 23630, 26537, 28356, 29190, 30997, 31220, 33082, 35445, 37910, 45492, 46830, 47260, 49623, 53074, 56865, 58380, 61994, 66164, 70890, 75820, 79611, 82705, 92991, 93660, 99246, 106148, 113730, 123988, 132685, 141780, 154985, 159222, 165410, 185982, 198492, 216979, 227460, 248115, 265370, 309970, 318444, 330820, 371964, 398055, 433958, 464955, 496230, 526949, 530740, 619940, 650937, 796110, 867916, 929910, 992460, 1053898, 1084895, 1301874, 1580847, 1592220, 1859820, 2107796, 2169790, 2603748, 2634745, 3161694, 3254685, 3688643, 4339580, 5269490, 6323388, 6509370, 7377286, 7904235, 10538980, 11065929, 13018740, 14754572, 15808470, 18443215, 22131858, 31616940, 36886430, 44263716, 55329645, 73772860, 110659290, 221318580]

約数ペア:

[(1, 221318580), (2, 110659290), (3, 73772860), (4, 55329645), (5, 44263716), (6, 36886430), (7, 31616940), (10, 22131858), (12, 18443215), (14, 15808470), (15, 14754572), (17, 13018740), (20, 11065929), (21, 10538980), (28, 7904235), (30, 7377286), (34, 6509370), (35, 6323388), (42, 5269490), (51, 4339580), (60, 3688643), (68, 3254685), (70, 3161694), (84, 2634745), (85, 2603748), (102, 2169790), (105, 2107796), (119, 1859820), (139, 1592220), (140, 1580847), (170, 1301874), (204, 1084895), (210, 1053898), (223, 992460), (238, 929910), (255, 867916), (278, 796110), (340, 650937), (357, 619940), (417, 530740), (420, 526949), (446, 496230), (476, 464955), (510, 433958), (556, 398055), (595, 371964), (669, 330820), (695, 318444), (714, 309970), (834, 265370), (892, 248115), (973, 227460), (1020, 216979), (1115, 198492), (1190, 185982), (1338, 165410), (1390, 159222), (1428, 154985), (1561, 141780), (1668, 132685), (1785, 123988), (1946, 113730), (2085, 106148), (2230, 99246), (2363, 93660), (2380, 92991), (2676, 82705), (2780, 79611), (2919, 75820), (3122, 70890), (3345, 66164), (3570, 61994), (3791, 58380), (3892, 56865), (4170, 53074), (4460, 49623), (4683, 47260), (4726, 46830), (4865, 45492), (5838, 37910), (6244, 35445), (6690, 33082), (7089, 31220), (7140, 30997), (7582, 29190), (7805, 28356), (8340, 26537), (9366, 23630), (9452, 23415), (9730, 22746), (11373, 19460), (11676, 18955), (11815, 18732), (13380, 16541), (14178, 15610), (14595, 15164)]