31008380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6277}}^1$

素因数の和:6318

約数の個数: 48

約数和(自身を含む): 73829280

約数和(自身を除く): 42820900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 6277, 12554, 25108, 31385, 62770, 81601, 119263, 125540, 163202, 238526, 326404, 408005, 477052, 596315, 816010, 1192630, 1550419, 1632020, 2385260, 3100838, 6201676, 7752095, 15504190, 31008380]

約数ペア:

[(1, 31008380), (2, 15504190), (4, 7752095), (5, 6201676), (10, 3100838), (13, 2385260), (19, 1632020), (20, 1550419), (26, 1192630), (38, 816010), (52, 596315), (65, 477052), (76, 408005), (95, 326404), (130, 238526), (190, 163202), (247, 125540), (260, 119263), (380, 81601), (494, 62770), (988, 31385), (1235, 25108), (2470, 12554), (4940, 6277)]