1399960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 3254400

約数和(自身を除く): 1854440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1129, 1240, 2258, 4516, 5645, 9032, 11290, 22580, 34999, 45160, 69998, 139996, 174995, 279992, 349990, 699980, 1399960]

約数ペア:

[(1, 1399960), (2, 699980), (4, 349990), (5, 279992), (8, 174995), (10, 139996), (20, 69998), (31, 45160), (40, 34999), (62, 22580), (124, 11290), (155, 9032), (248, 5645), (310, 4516), (620, 2258), (1129, 1240)]