674588020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1\times {\mathrm{1277}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 1444313808

約数和(自身を除く): 769725788

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 433, 610, 866, 1220, 1277, 1732, 2165, 2554, 4330, 5108, 6385, 8660, 12770, 25540, 26413, 52826, 77897, 105652, 132065, 155794, 264130, 311588, 389485, 528260, 552941, 778970, 1105882, 1557940, 2211764, 2764705, 5529410, 11058820, 33729401, 67458802, 134917604, 168647005, 337294010, 674588020]

約数ペア:

[(1, 674588020), (2, 337294010), (4, 168647005), (5, 134917604), (10, 67458802), (20, 33729401), (61, 11058820), (122, 5529410), (244, 2764705), (305, 2211764), (433, 1557940), (610, 1105882), (866, 778970), (1220, 552941), (1277, 528260), (1732, 389485), (2165, 311588), (2554, 264130), (4330, 155794), (5108, 132065), (6385, 105652), (8660, 77897), (12770, 52826), (25540, 26413)]