251019470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2269}}^1$

素因数の和:2349

約数の個数: 64

約数和(自身を含む): 521700480

約数和(自身を除く): 270681010

約数列:

[1, 2, 5, 10, 13, 23, 26, 37, 46, 65, 74, 115, 130, 185, 230, 299, 370, 481, 598, 851, 962, 1495, 1702, 2269, 2405, 2990, 4255, 4538, 4810, 8510, 11063, 11345, 22126, 22690, 29497, 52187, 55315, 58994, 83953, 104374, 110630, 147485, 167906, 260935, 294970, 419765, 521870, 678431, 839530, 1091389, 1356862, 1930919, 2182778, 3392155, 3861838, 5456945, 6784310, 9654595, 10913890, 19309190, 25101947, 50203894, 125509735, 251019470]

約数ペア:

[(1, 251019470), (2, 125509735), (5, 50203894), (10, 25101947), (13, 19309190), (23, 10913890), (26, 9654595), (37, 6784310), (46, 5456945), (65, 3861838), (74, 3392155), (115, 2182778), (130, 1930919), (185, 1356862), (230, 1091389), (299, 839530), (370, 678431), (481, 521870), (598, 419765), (851, 294970), (962, 260935), (1495, 167906), (1702, 147485), (2269, 110630), (2405, 104374), (2990, 83953), (4255, 58994), (4538, 55315), (4810, 52187), (8510, 29497), (11063, 22690), (11345, 22126)]