8404980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 23877504

約数和(自身を除く): 15472524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 1973, 2130, 3946, 4260, 5919, 7892, 9865, 11838, 19730, 23676, 29595, 39460, 59190, 118380, 140083, 280166, 420249, 560332, 700415, 840498, 1400830, 1680996, 2101245, 2801660, 4202490, 8404980]

約数ペア:

[(1, 8404980), (2, 4202490), (3, 2801660), (4, 2101245), (5, 1680996), (6, 1400830), (10, 840498), (12, 700415), (15, 560332), (20, 420249), (30, 280166), (60, 140083), (71, 118380), (142, 59190), (213, 39460), (284, 29595), (355, 23676), (426, 19730), (710, 11838), (852, 9865), (1065, 7892), (1420, 5919), (1973, 4260), (2130, 3946)]