390996860

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{733}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 832356000

約数和(自身を除く): 441359140

約数列:

[1, 2, 4, 5, 10, 20, 149, 179, 298, 358, 596, 716, 733, 745, 895, 1466, 1490, 1790, 2932, 2980, 3580, 3665, 7330, 14660, 26671, 53342, 106684, 109217, 131207, 133355, 218434, 262414, 266710, 436868, 524828, 533420, 546085, 656035, 1092170, 1312070, 2184340, 2624140, 19549843, 39099686, 78199372, 97749215, 195498430, 390996860]

約数ペア:

[(1, 390996860), (2, 195498430), (4, 97749215), (5, 78199372), (10, 39099686), (20, 19549843), (149, 2624140), (179, 2184340), (298, 1312070), (358, 1092170), (596, 656035), (716, 546085), (733, 533420), (745, 524828), (895, 436868), (1466, 266710), (1490, 262414), (1790, 218434), (2932, 133355), (2980, 131207), (3580, 109217), (3665, 106684), (7330, 53342), (14660, 26671)]