1600940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 3870720

約数和(自身を除く): 2269780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 383, 418, 766, 836, 1045, 1532, 1915, 2090, 3830, 4180, 4213, 7277, 7660, 8426, 14554, 16852, 21065, 29108, 36385, 42130, 72770, 80047, 84260, 145540, 160094, 320188, 400235, 800470, 1600940]

約数ペア:

[(1, 1600940), (2, 800470), (4, 400235), (5, 320188), (10, 160094), (11, 145540), (19, 84260), (20, 80047), (22, 72770), (38, 42130), (44, 36385), (55, 29108), (76, 21065), (95, 16852), (110, 14554), (190, 8426), (209, 7660), (220, 7277), (380, 4213), (383, 4180), (418, 3830), (766, 2090), (836, 1915), (1045, 1532)]