207838360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1468

約数の個数: 64

約数和(自身を含む): 487620000

約数和(自身を除く): 279781640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 139, 145, 232, 278, 290, 556, 580, 695, 1112, 1160, 1289, 1390, 2578, 2780, 4031, 5156, 5560, 6445, 8062, 10312, 12890, 16124, 20155, 25780, 32248, 37381, 40310, 51560, 74762, 80620, 149524, 161240, 179171, 186905, 299048, 358342, 373810, 716684, 747620, 895855, 1433368, 1495240, 1791710, 3583420, 5195959, 7166840, 10391918, 20783836, 25979795, 41567672, 51959590, 103919180, 207838360]

約数ペア:

[(1, 207838360), (2, 103919180), (4, 51959590), (5, 41567672), (8, 25979795), (10, 20783836), (20, 10391918), (29, 7166840), (40, 5195959), (58, 3583420), (116, 1791710), (139, 1495240), (145, 1433368), (232, 895855), (278, 747620), (290, 716684), (556, 373810), (580, 358342), (695, 299048), (1112, 186905), (1160, 179171), (1289, 161240), (1390, 149524), (2578, 80620), (2780, 74762), (4031, 51560), (5156, 40310), (5560, 37381), (6445, 32248), (8062, 25780), (10312, 20155), (12890, 16124)]