1719272020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1\times {\mathrm{971}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 3639541248

約数和(自身を除く): 1920269228

約数列:

[1, 2, 4, 5, 10, 20, 223, 397, 446, 794, 892, 971, 1115, 1588, 1942, 1985, 2230, 3884, 3970, 4460, 4855, 7940, 9710, 19420, 88531, 177062, 216533, 354124, 385487, 433066, 442655, 770974, 866132, 885310, 1082665, 1541948, 1770620, 1927435, 2165330, 3854870, 4330660, 7709740, 85963601, 171927202, 343854404, 429818005, 859636010, 1719272020]

約数ペア:

[(1, 1719272020), (2, 859636010), (4, 429818005), (5, 343854404), (10, 171927202), (20, 85963601), (223, 7709740), (397, 4330660), (446, 3854870), (794, 2165330), (892, 1927435), (971, 1770620), (1115, 1541948), (1588, 1082665), (1942, 885310), (1985, 866132), (2230, 770974), (3884, 442655), (3970, 433066), (4460, 385487), (4855, 354124), (7940, 216533), (9710, 177062), (19420, 88531)]