390718740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:993

約数の個数: 96

約数和(自身を含む): 1136540160

約数和(自身を除く): 745821420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 431, 435, 521, 580, 862, 870, 1042, 1293, 1563, 1724, 1740, 2084, 2155, 2586, 2605, 3126, 4310, 5172, 5210, 6252, 6465, 7815, 8620, 10420, 12499, 12930, 15109, 15630, 24998, 25860, 30218, 31260, 37497, 45327, 49996, 60436, 62495, 74994, 75545, 90654, 124990, 149988, 151090, 181308, 187485, 224551, 226635, 249980, 302180, 374970, 449102, 453270, 673653, 749940, 898204, 906540, 1122755, 1347306, 2245510, 2694612, 3368265, 4491020, 6511979, 6736530, 13023958, 13473060, 19535937, 26047916, 32559895, 39071874, 65119790, 78143748, 97679685, 130239580, 195359370, 390718740]

約数ペア:

[(1, 390718740), (2, 195359370), (3, 130239580), (4, 97679685), (5, 78143748), (6, 65119790), (10, 39071874), (12, 32559895), (15, 26047916), (20, 19535937), (29, 13473060), (30, 13023958), (58, 6736530), (60, 6511979), (87, 4491020), (116, 3368265), (145, 2694612), (174, 2245510), (290, 1347306), (348, 1122755), (431, 906540), (435, 898204), (521, 749940), (580, 673653), (862, 453270), (870, 449102), (1042, 374970), (1293, 302180), (1563, 249980), (1724, 226635), (1740, 224551), (2084, 187485), (2155, 181308), (2586, 151090), (2605, 149988), (3126, 124990), (4310, 90654), (5172, 75545), (5210, 74994), (6252, 62495), (6465, 60436), (7815, 49996), (8620, 45327), (10420, 37497), (12499, 31260), (12930, 30218), (15109, 25860), (15630, 24998)]