2679020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 6048000

約数和(自身を除く): 3368980

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 149, 155, 290, 298, 310, 580, 596, 620, 745, 899, 1490, 1798, 2980, 3596, 4321, 4495, 4619, 8642, 8990, 9238, 17284, 17980, 18476, 21605, 23095, 43210, 46190, 86420, 92380, 133951, 267902, 535804, 669755, 1339510, 2679020]

約数ペア:

[(1, 2679020), (2, 1339510), (4, 669755), (5, 535804), (10, 267902), (20, 133951), (29, 92380), (31, 86420), (58, 46190), (62, 43210), (116, 23095), (124, 21605), (145, 18476), (149, 17980), (155, 17284), (290, 9238), (298, 8990), (310, 8642), (580, 4619), (596, 4495), (620, 4321), (745, 3596), (899, 2980), (1490, 1798)]