123306820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67751}}^1$

素因数の和:67780

約数の個数: 48

約数和(自身を含む): 318705408

約数和(自身を除く): 195398588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 67751, 135502, 271004, 338755, 474257, 677510, 880763, 948514, 1355020, 1761526, 1897028, 2371285, 3523052, 4403815, 4742570, 6165341, 8807630, 9485140, 12330682, 17615260, 24661364, 30826705, 61653410, 123306820]

約数ペア:

[(1, 123306820), (2, 61653410), (4, 30826705), (5, 24661364), (7, 17615260), (10, 12330682), (13, 9485140), (14, 8807630), (20, 6165341), (26, 4742570), (28, 4403815), (35, 3523052), (52, 2371285), (65, 1897028), (70, 1761526), (91, 1355020), (130, 948514), (140, 880763), (182, 677510), (260, 474257), (364, 338755), (455, 271004), (910, 135502), (1820, 67751)]