289344920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1201}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 688024800

約数和(自身を除く): 398679880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 317, 380, 634, 760, 1201, 1268, 1585, 2402, 2536, 3170, 4804, 6005, 6023, 6340, 9608, 12010, 12046, 12680, 22819, 24020, 24092, 30115, 45638, 48040, 48184, 60230, 91276, 114095, 120460, 182552, 228190, 240920, 380717, 456380, 761434, 912760, 1522868, 1903585, 3045736, 3807170, 7233623, 7614340, 14467246, 15228680, 28934492, 36168115, 57868984, 72336230, 144672460, 289344920]

約数ペア:

[(1, 289344920), (2, 144672460), (4, 72336230), (5, 57868984), (8, 36168115), (10, 28934492), (19, 15228680), (20, 14467246), (38, 7614340), (40, 7233623), (76, 3807170), (95, 3045736), (152, 1903585), (190, 1522868), (317, 912760), (380, 761434), (634, 456380), (760, 380717), (1201, 240920), (1268, 228190), (1585, 182552), (2402, 120460), (2536, 114095), (3170, 91276), (4804, 60230), (6005, 48184), (6023, 48040), (6340, 45638), (9608, 30115), (12010, 24092), (12046, 24020), (12680, 22819)]