491408260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{6869}}^1$

素因数の和:6965

約数の個数: 72

約数和(自身を含む): 1217061720

約数和(自身を除く): 725653460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2555, 3577, 5110, 6869, 7154, 10220, 13738, 14308, 17885, 27476, 34345, 35770, 48083, 68690, 71540, 96166, 137380, 192332, 240415, 336581, 480830, 501437, 673162, 961660, 1002874, 1346324, 1682905, 2005748, 2507185, 3365810, 3510059, 5014370, 6731620, 7020118, 10028740, 14040236, 17550295, 24570413, 35100590, 49140826, 70201180, 98281652, 122852065, 245704130, 491408260]

約数ペア:

[(1, 491408260), (2, 245704130), (4, 122852065), (5, 98281652), (7, 70201180), (10, 49140826), (14, 35100590), (20, 24570413), (28, 17550295), (35, 14040236), (49, 10028740), (70, 7020118), (73, 6731620), (98, 5014370), (140, 3510059), (146, 3365810), (196, 2507185), (245, 2005748), (292, 1682905), (365, 1346324), (490, 1002874), (511, 961660), (730, 673162), (980, 501437), (1022, 480830), (1460, 336581), (2044, 240415), (2555, 192332), (3577, 137380), (5110, 96166), (6869, 71540), (7154, 68690), (10220, 48083), (13738, 35770), (14308, 34345), (17885, 27476)]