485706820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{773}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 1035704880

約数和(自身を除く): 549998060

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 353, 356, 445, 706, 773, 890, 1412, 1546, 1765, 1780, 3092, 3530, 3865, 7060, 7730, 15460, 31417, 62834, 68797, 125668, 137594, 157085, 272869, 275188, 314170, 343985, 545738, 628340, 687970, 1091476, 1364345, 1375940, 2728690, 5457380, 24285341, 48570682, 97141364, 121426705, 242853410, 485706820]

約数ペア:

[(1, 485706820), (2, 242853410), (4, 121426705), (5, 97141364), (10, 48570682), (20, 24285341), (89, 5457380), (178, 2728690), (353, 1375940), (356, 1364345), (445, 1091476), (706, 687970), (773, 628340), (890, 545738), (1412, 343985), (1546, 314170), (1765, 275188), (1780, 272869), (3092, 157085), (3530, 137594), (3865, 125668), (7060, 68797), (7730, 62834), (15460, 31417)]