291216520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1040059}}^1$

素因数の和:1040077

約数の個数: 32

約数和(自身を含む): 748843200

約数和(自身を除く): 457626680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1040059, 2080118, 4160236, 5200295, 7280413, 8320472, 10400590, 14560826, 20801180, 29121652, 36402065, 41602360, 58243304, 72804130, 145608260, 291216520]

約数ペア:

[(1, 291216520), (2, 145608260), (4, 72804130), (5, 58243304), (7, 41602360), (8, 36402065), (10, 29121652), (14, 20801180), (20, 14560826), (28, 10400590), (35, 8320472), (40, 7280413), (56, 5200295), (70, 4160236), (140, 2080118), (280, 1040059)]