140938520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 329598720

約数和(自身を除く): 188660200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 268, 335, 344, 430, 536, 670, 860, 1223, 1340, 1720, 2446, 2680, 2881, 4892, 5762, 6115, 9784, 11524, 12230, 14405, 23048, 24460, 28810, 48920, 52589, 57620, 81941, 105178, 115240, 163882, 210356, 262945, 327764, 409705, 420712, 525890, 655528, 819410, 1051780, 1638820, 2103560, 3277640, 3523463, 7046926, 14093852, 17617315, 28187704, 35234630, 70469260, 140938520]

約数ペア:

[(1, 140938520), (2, 70469260), (4, 35234630), (5, 28187704), (8, 17617315), (10, 14093852), (20, 7046926), (40, 3523463), (43, 3277640), (67, 2103560), (86, 1638820), (134, 1051780), (172, 819410), (215, 655528), (268, 525890), (335, 420712), (344, 409705), (430, 327764), (536, 262945), (670, 210356), (860, 163882), (1223, 115240), (1340, 105178), (1720, 81941), (2446, 57620), (2680, 52589), (2881, 48920), (4892, 28810), (5762, 24460), (6115, 23048), (9784, 14405), (11524, 12230)]