654451010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 1278720000

約数和(自身を除く): 624268990

約数列:

[1, 2, 5, 10, 19, 38, 59, 79, 95, 118, 158, 190, 295, 395, 590, 739, 790, 1121, 1478, 1501, 2242, 3002, 3695, 4661, 5605, 7390, 7505, 9322, 11210, 14041, 15010, 23305, 28082, 43601, 46610, 58381, 70205, 87202, 88559, 116762, 140410, 177118, 218005, 291905, 436010, 442795, 583810, 828419, 885590, 1109239, 1656838, 2218478, 3444479, 4142095, 5546195, 6888958, 8284190, 11092390, 17222395, 34444790, 65445101, 130890202, 327225505, 654451010]

約数ペア:

[(1, 654451010), (2, 327225505), (5, 130890202), (10, 65445101), (19, 34444790), (38, 17222395), (59, 11092390), (79, 8284190), (95, 6888958), (118, 5546195), (158, 4142095), (190, 3444479), (295, 2218478), (395, 1656838), (590, 1109239), (739, 885590), (790, 828419), (1121, 583810), (1478, 442795), (1501, 436010), (2242, 291905), (3002, 218005), (3695, 177118), (4661, 140410), (5605, 116762), (7390, 88559), (7505, 87202), (9322, 70205), (11210, 58381), (14041, 46610), (15010, 43601), (23305, 28082)]