74002840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 172510560

約数和(自身を除く): 98507720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 212, 265, 268, 335, 424, 521, 530, 536, 670, 1042, 1060, 1340, 2084, 2120, 2605, 2680, 3551, 4168, 5210, 7102, 10420, 14204, 17755, 20840, 27613, 28408, 34907, 35510, 55226, 69814, 71020, 110452, 138065, 139628, 142040, 174535, 220904, 276130, 279256, 349070, 552260, 698140, 1104520, 1396280, 1850071, 3700142, 7400284, 9250355, 14800568, 18500710, 37001420, 74002840]

約数ペア:

[(1, 74002840), (2, 37001420), (4, 18500710), (5, 14800568), (8, 9250355), (10, 7400284), (20, 3700142), (40, 1850071), (53, 1396280), (67, 1104520), (106, 698140), (134, 552260), (212, 349070), (265, 279256), (268, 276130), (335, 220904), (424, 174535), (521, 142040), (530, 139628), (536, 138065), (670, 110452), (1042, 71020), (1060, 69814), (1340, 55226), (2084, 35510), (2120, 34907), (2605, 28408), (2680, 27613), (3551, 20840), (4168, 17755), (5210, 14204), (7102, 10420)]