864996980

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{367}}^1\times {\mathrm{617}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 1833947136

約数和(自身を除く): 968950156

約数列:

[1, 2, 4, 5, 10, 20, 191, 367, 382, 617, 734, 764, 955, 1234, 1468, 1835, 1910, 2468, 3085, 3670, 3820, 6170, 7340, 12340, 70097, 117847, 140194, 226439, 235694, 280388, 350485, 452878, 471388, 589235, 700970, 905756, 1132195, 1178470, 1401940, 2264390, 2356940, 4528780, 43249849, 86499698, 172999396, 216249245, 432498490, 864996980]

約数ペア:

[(1, 864996980), (2, 432498490), (4, 216249245), (5, 172999396), (10, 86499698), (20, 43249849), (191, 4528780), (367, 2356940), (382, 2264390), (617, 1401940), (734, 1178470), (764, 1132195), (955, 905756), (1234, 700970), (1468, 589235), (1835, 471388), (1910, 452878), (2468, 350485), (3085, 280388), (3670, 235694), (3820, 226439), (6170, 140194), (7340, 117847), (12340, 70097)]