1853720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{383}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 4596480

約数和(自身を除く): 2742760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 383, 440, 484, 605, 766, 968, 1210, 1532, 1915, 2420, 3064, 3830, 4213, 4840, 7660, 8426, 15320, 16852, 21065, 33704, 42130, 46343, 84260, 92686, 168520, 185372, 231715, 370744, 463430, 926860, 1853720]

約数ペア:

[(1, 1853720), (2, 926860), (4, 463430), (5, 370744), (8, 231715), (10, 185372), (11, 168520), (20, 92686), (22, 84260), (40, 46343), (44, 42130), (55, 33704), (88, 21065), (110, 16852), (121, 15320), (220, 8426), (242, 7660), (383, 4840), (440, 4213), (484, 3830), (605, 3064), (766, 2420), (968, 1915), (1210, 1532)]