309851660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{2797}}^1$

素因数の和:3026

約数の個数: 48

約数和(自身を含む): 676892160

約数和(自身を除く): 367040500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 191, 290, 382, 580, 764, 955, 1910, 2797, 3820, 5539, 5594, 11078, 11188, 13985, 22156, 27695, 27970, 55390, 55940, 81113, 110780, 162226, 324452, 405565, 534227, 811130, 1068454, 1622260, 2136908, 2671135, 5342270, 10684540, 15492583, 30985166, 61970332, 77462915, 154925830, 309851660]

約数ペア:

[(1, 309851660), (2, 154925830), (4, 77462915), (5, 61970332), (10, 30985166), (20, 15492583), (29, 10684540), (58, 5342270), (116, 2671135), (145, 2136908), (191, 1622260), (290, 1068454), (382, 811130), (580, 534227), (764, 405565), (955, 324452), (1910, 162226), (2797, 110780), (3820, 81113), (5539, 55940), (5594, 55390), (11078, 27970), (11188, 27695), (13985, 22156)]