353484080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 846683904

約数和(自身を除く): 493199824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 211, 215, 344, 422, 430, 487, 688, 844, 860, 974, 1055, 1688, 1720, 1948, 2110, 2435, 3376, 3440, 3896, 4220, 4870, 7792, 8440, 9073, 9740, 16880, 18146, 19480, 20941, 36292, 38960, 41882, 45365, 72584, 83764, 90730, 102757, 104705, 145168, 167528, 181460, 205514, 209410, 335056, 362920, 411028, 418820, 513785, 725840, 822056, 837640, 1027570, 1644112, 1675280, 2055140, 4110280, 4418551, 8220560, 8837102, 17674204, 22092755, 35348408, 44185510, 70696816, 88371020, 176742040, 353484080]

約数ペア:

[(1, 353484080), (2, 176742040), (4, 88371020), (5, 70696816), (8, 44185510), (10, 35348408), (16, 22092755), (20, 17674204), (40, 8837102), (43, 8220560), (80, 4418551), (86, 4110280), (172, 2055140), (211, 1675280), (215, 1644112), (344, 1027570), (422, 837640), (430, 822056), (487, 725840), (688, 513785), (844, 418820), (860, 411028), (974, 362920), (1055, 335056), (1688, 209410), (1720, 205514), (1948, 181460), (2110, 167528), (2435, 145168), (3376, 104705), (3440, 102757), (3896, 90730), (4220, 83764), (4870, 72584), (7792, 45365), (8440, 41882), (9073, 38960), (9740, 36292), (16880, 20941), (18146, 19480)]