654319870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{36011}}^1$

素因数の和:36120

約数の個数: 32

約数和(自身を含む): 1244574720

約数和(自身を除く): 590254850

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1817, 3634, 9085, 18170, 36011, 72022, 180055, 360110, 828253, 1656506, 2844869, 4141265, 5689738, 8282530, 14224345, 28448690, 65431987, 130863974, 327159935, 654319870]

約数ペア:

[(1, 654319870), (2, 327159935), (5, 130863974), (10, 65431987), (23, 28448690), (46, 14224345), (79, 8282530), (115, 5689738), (158, 4141265), (230, 2844869), (395, 1656506), (790, 828253), (1817, 360110), (3634, 180055), (9085, 72022), (18170, 36011)]