68169940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 147740544

約数和(自身を除く): 79570604

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 710, 787, 1220, 1420, 1574, 3148, 3935, 4331, 7870, 8662, 15740, 17324, 21655, 43310, 48007, 55877, 86620, 96014, 111754, 192028, 223508, 240035, 279385, 480070, 558770, 960140, 1117540, 3408497, 6816994, 13633988, 17042485, 34084970, 68169940]

約数ペア:

[(1, 68169940), (2, 34084970), (4, 17042485), (5, 13633988), (10, 6816994), (20, 3408497), (61, 1117540), (71, 960140), (122, 558770), (142, 480070), (244, 279385), (284, 240035), (305, 223508), (355, 192028), (610, 111754), (710, 96014), (787, 86620), (1220, 55877), (1420, 48007), (1574, 43310), (3148, 21655), (3935, 17324), (4331, 15740), (7870, 8662)]