290035070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 588349440

約数和(自身を除く): 298314370

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 79, 130, 155, 158, 310, 395, 403, 790, 806, 911, 1027, 1822, 2015, 2054, 2449, 4030, 4555, 4898, 5135, 9110, 10270, 11843, 12245, 23686, 24490, 28241, 31837, 56482, 59215, 63674, 71969, 118430, 141205, 143938, 159185, 282410, 318370, 359845, 367133, 719690, 734266, 935597, 1835665, 1871194, 2231039, 3671330, 4462078, 4677985, 9355970, 11155195, 22310390, 29003507, 58007014, 145017535, 290035070]

約数ペア:

[(1, 290035070), (2, 145017535), (5, 58007014), (10, 29003507), (13, 22310390), (26, 11155195), (31, 9355970), (62, 4677985), (65, 4462078), (79, 3671330), (130, 2231039), (155, 1871194), (158, 1835665), (310, 935597), (395, 734266), (403, 719690), (790, 367133), (806, 359845), (911, 318370), (1027, 282410), (1822, 159185), (2015, 143938), (2054, 141205), (2449, 118430), (4030, 71969), (4555, 63674), (4898, 59215), (5135, 56482), (9110, 31837), (10270, 28241), (11843, 24490), (12245, 23686)]