325917140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{881}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 700131600

約数和(自身を除く): 374214460

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 349, 530, 698, 881, 1060, 1396, 1745, 1762, 3490, 3524, 4405, 6980, 8810, 17620, 18497, 36994, 46693, 73988, 92485, 93386, 184970, 186772, 233465, 307469, 369940, 466930, 614938, 933860, 1229876, 1537345, 3074690, 6149380, 16295857, 32591714, 65183428, 81479285, 162958570, 325917140]

約数ペア:

[(1, 325917140), (2, 162958570), (4, 81479285), (5, 65183428), (10, 32591714), (20, 16295857), (53, 6149380), (106, 3074690), (212, 1537345), (265, 1229876), (349, 933860), (530, 614938), (698, 466930), (881, 369940), (1060, 307469), (1396, 233465), (1745, 186772), (1762, 184970), (3490, 93386), (3524, 92485), (4405, 73988), (6980, 46693), (8810, 36994), (17620, 18497)]