221279240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 256

約数和(自身を含む): 661893120

約数和(自身を除く): 440613880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 37, 40, 52, 53, 56, 62, 65, 70, 74, 91, 104, 106, 124, 130, 140, 148, 155, 182, 185, 212, 217, 248, 259, 260, 265, 280, 296, 310, 364, 370, 371, 403, 424, 434, 455, 481, 518, 520, 530, 620, 689, 728, 740, 742, 806, 868, 910, 962, 1036, 1060, 1085, 1147, 1240, 1295, 1378, 1480, 1484, 1612, 1643, 1736, 1820, 1855, 1924, 1961, 2015, 2072, 2120, 2170, 2294, 2405, 2590, 2756, 2821, 2968, 3224, 3286, 3367, 3445, 3640, 3710, 3848, 3922, 4030, 4340, 4588, 4810, 4823, 5180, 5512, 5642, 5735, 6572, 6734, 6890, 7420, 7844, 8029, 8060, 8215, 8680, 9176, 9620, 9646, 9805, 10360, 11284, 11470, 11501, 13144, 13468, 13727, 13780, 14105, 14840, 14911, 15688, 16058, 16120, 16430, 16835, 19240, 19292, 19610, 21359, 22568, 22940, 23002, 24115, 25493, 26936, 27454, 27560, 28210, 29822, 32116, 32860, 33670, 38584, 39220, 40145, 42718, 45880, 46004, 48230, 50986, 54908, 56420, 57505, 59644, 60791, 64232, 65720, 67340, 68635, 74555, 78440, 80290, 85436, 92008, 96460, 101972, 104377, 106795, 109816, 112840, 115010, 119288, 121582, 127465, 134680, 137270, 149110, 149513, 160580, 170872, 178451, 192920, 203944, 208754, 213590, 230020, 243164, 254930, 274540, 298220, 299026, 303955, 321160, 356902, 417508, 425537, 427180, 460040, 486328, 509860, 521885, 549080, 596440, 598052, 607910, 713804, 747565, 790283, 835016, 851074, 854360, 892255, 1019720, 1043770, 1196104, 1215820, 1427608, 1495130, 1580566, 1702148, 1784510, 2087540, 2127685, 2431640, 2990260, 3161132, 3404296, 3569020, 3951415, 4175080, 4255370, 5531981, 5980520, 6322264, 7138040, 7902830, 8510740, 11063962, 15805660, 17021480, 22127924, 27659905, 31611320, 44255848, 55319810, 110639620, 221279240]

約数ペア:

[(1, 221279240), (2, 110639620), (4, 55319810), (5, 44255848), (7, 31611320), (8, 27659905), (10, 22127924), (13, 17021480), (14, 15805660), (20, 11063962), (26, 8510740), (28, 7902830), (31, 7138040), (35, 6322264), (37, 5980520), (40, 5531981), (52, 4255370), (53, 4175080), (56, 3951415), (62, 3569020), (65, 3404296), (70, 3161132), (74, 2990260), (91, 2431640), (104, 2127685), (106, 2087540), (124, 1784510), (130, 1702148), (140, 1580566), (148, 1495130), (155, 1427608), (182, 1215820), (185, 1196104), (212, 1043770), (217, 1019720), (248, 892255), (259, 854360), (260, 851074), (265, 835016), (280, 790283), (296, 747565), (310, 713804), (364, 607910), (370, 598052), (371, 596440), (403, 549080), (424, 521885), (434, 509860), (455, 486328), (481, 460040), (518, 427180), (520, 425537), (530, 417508), (620, 356902), (689, 321160), (728, 303955), (740, 299026), (742, 298220), (806, 274540), (868, 254930), (910, 243164), (962, 230020), (1036, 213590), (1060, 208754), (1085, 203944), (1147, 192920), (1240, 178451), (1295, 170872), (1378, 160580), (1480, 149513), (1484, 149110), (1612, 137270), (1643, 134680), (1736, 127465), (1820, 121582), (1855, 119288), (1924, 115010), (1961, 112840), (2015, 109816), (2072, 106795), (2120, 104377), (2170, 101972), (2294, 96460), (2405, 92008), (2590, 85436), (2756, 80290), (2821, 78440), (2968, 74555), (3224, 68635), (3286, 67340), (3367, 65720), (3445, 64232), (3640, 60791), (3710, 59644), (3848, 57505), (3922, 56420), (4030, 54908), (4340, 50986), (4588, 48230), (4810, 46004), (4823, 45880), (5180, 42718), (5512, 40145), (5642, 39220), (5735, 38584), (6572, 33670), (6734, 32860), (6890, 32116), (7420, 29822), (7844, 28210), (8029, 27560), (8060, 27454), (8215, 26936), (8680, 25493), (9176, 24115), (9620, 23002), (9646, 22940), (9805, 22568), (10360, 21359), (11284, 19610), (11470, 19292), (11501, 19240), (13144, 16835), (13468, 16430), (13727, 16120), (13780, 16058), (14105, 15688), (14840, 14911)]