212906280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24989}}^1$

素因数の和:25074

約数の個数: 64

約数和(自身を含む): 647740800

約数和(自身を除く): 434834520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 24989, 49978, 74967, 99956, 124945, 149934, 199912, 249890, 299868, 374835, 499780, 599736, 749670, 999560, 1499340, 1774219, 2998680, 3548438, 5322657, 7096876, 8871095, 10645314, 14193752, 17742190, 21290628, 26613285, 35484380, 42581256, 53226570, 70968760, 106453140, 212906280]

約数ペア:

[(1, 212906280), (2, 106453140), (3, 70968760), (4, 53226570), (5, 42581256), (6, 35484380), (8, 26613285), (10, 21290628), (12, 17742190), (15, 14193752), (20, 10645314), (24, 8871095), (30, 7096876), (40, 5322657), (60, 3548438), (71, 2998680), (120, 1774219), (142, 1499340), (213, 999560), (284, 749670), (355, 599736), (426, 499780), (568, 374835), (710, 299868), (852, 249890), (1065, 199912), (1420, 149934), (1704, 124945), (2130, 99956), (2840, 74967), (4260, 49978), (8520, 24989)]