81849460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53149}}^1$

素因数の和:53176

約数の個数: 48

約数和(自身を含む): 214300800

約数和(自身を除く): 132451340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 53149, 106298, 212596, 265745, 372043, 531490, 584639, 744086, 1062980, 1169278, 1488172, 1860215, 2338556, 2923195, 3720430, 4092473, 5846390, 7440860, 8184946, 11692780, 16369892, 20462365, 40924730, 81849460]

約数ペア:

[(1, 81849460), (2, 40924730), (4, 20462365), (5, 16369892), (7, 11692780), (10, 8184946), (11, 7440860), (14, 5846390), (20, 4092473), (22, 3720430), (28, 2923195), (35, 2338556), (44, 1860215), (55, 1488172), (70, 1169278), (77, 1062980), (110, 744086), (140, 584639), (154, 531490), (220, 372043), (308, 265745), (385, 212596), (770, 106298), (1540, 53149)]