413826440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5471}}^1$

素因数の和:5574

約数の個数: 64

約数和(自身を含む): 977080320

約数和(自身を除く): 563253880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 5471, 7564, 9455, 10942, 15128, 18910, 21884, 27355, 37820, 43768, 54710, 75640, 109420, 169601, 218840, 333731, 339202, 667462, 678404, 848005, 1334924, 1356808, 1668655, 1696010, 2669848, 3337310, 3392020, 6674620, 6784040, 10345661, 13349240, 20691322, 41382644, 51728305, 82765288, 103456610, 206913220, 413826440]

約数ペア:

[(1, 413826440), (2, 206913220), (4, 103456610), (5, 82765288), (8, 51728305), (10, 41382644), (20, 20691322), (31, 13349240), (40, 10345661), (61, 6784040), (62, 6674620), (122, 3392020), (124, 3337310), (155, 2669848), (244, 1696010), (248, 1668655), (305, 1356808), (310, 1334924), (488, 848005), (610, 678404), (620, 667462), (1220, 339202), (1240, 333731), (1891, 218840), (2440, 169601), (3782, 109420), (5471, 75640), (7564, 54710), (9455, 43768), (10942, 37820), (15128, 27355), (18910, 21884)]