68987380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{44797}}^1$

素因数の和:44824

約数の個数: 48

約数和(自身を含む): 180625536

約数和(自身を除く): 111638156

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, 44797, 89594, 179188, 223985, 313579, 447970, 492767, 627158, 895940, 985534, 1254316, 1567895, 1971068, 2463835, 3135790, 3449369, 4927670, 6271580, 6898738, 9855340, 13797476, 17246845, 34493690, 68987380]

約数ペア:

[(1, 68987380), (2, 34493690), (4, 17246845), (5, 13797476), (7, 9855340), (10, 6898738), (11, 6271580), (14, 4927670), (20, 3449369), (22, 3135790), (28, 2463835), (35, 1971068), (44, 1567895), (55, 1254316), (70, 985534), (77, 895940), (110, 627158), (140, 492767), (154, 447970), (220, 313579), (308, 223985), (385, 179188), (770, 89594), (1540, 44797)]