1900795390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{4481}}^1$

素因数の和:4765

約数の個数: 48

約数和(自身を含む): 3720454416

約数和(自身を除く): 1819659026

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 251, 338, 502, 845, 1255, 1690, 2510, 3263, 4481, 6526, 8962, 16315, 22405, 32630, 42419, 44810, 58253, 84838, 116506, 212095, 291265, 424190, 582530, 757289, 1124731, 1514578, 2249462, 3786445, 5623655, 7572890, 11247310, 14621503, 29243006, 73107515, 146215030, 190079539, 380159078, 950397695, 1900795390]

約数ペア:

[(1, 1900795390), (2, 950397695), (5, 380159078), (10, 190079539), (13, 146215030), (26, 73107515), (65, 29243006), (130, 14621503), (169, 11247310), (251, 7572890), (338, 5623655), (502, 3786445), (845, 2249462), (1255, 1514578), (1690, 1124731), (2510, 757289), (3263, 582530), (4481, 424190), (6526, 291265), (8962, 212095), (16315, 116506), (22405, 84838), (32630, 58253), (42419, 44810)]