909582920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{1721}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 2087270640

約数和(自身を除く): 1177687720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 181, 292, 362, 365, 584, 724, 730, 905, 1448, 1460, 1721, 1810, 2920, 3442, 3620, 6884, 7240, 8605, 13213, 13768, 17210, 26426, 34420, 52852, 66065, 68840, 105704, 125633, 132130, 251266, 264260, 311501, 502532, 528520, 623002, 628165, 1005064, 1246004, 1256330, 1557505, 2492008, 2512660, 3115010, 5025320, 6230020, 12460040, 22739573, 45479146, 90958292, 113697865, 181916584, 227395730, 454791460, 909582920]

約数ペア:

[(1, 909582920), (2, 454791460), (4, 227395730), (5, 181916584), (8, 113697865), (10, 90958292), (20, 45479146), (40, 22739573), (73, 12460040), (146, 6230020), (181, 5025320), (292, 3115010), (362, 2512660), (365, 2492008), (584, 1557505), (724, 1256330), (730, 1246004), (905, 1005064), (1448, 628165), (1460, 623002), (1721, 528520), (1810, 502532), (2920, 311501), (3442, 264260), (3620, 251266), (6884, 132130), (7240, 125633), (8605, 105704), (13213, 68840), (13768, 66065), (17210, 52852), (26426, 34420)]