1541552540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{18013}}^1$

素因数の和:18422

約数の個数: 48

約数和(自身を含む): 3540831840

約数和(自身を除く): 1999279300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 778, 1556, 1945, 3890, 4279, 7780, 8558, 17116, 18013, 21395, 36026, 42790, 72052, 85580, 90065, 180130, 198143, 360260, 396286, 792572, 990715, 1981430, 3962860, 7007057, 14014114, 28028228, 35035285, 70070570, 77077627, 140141140, 154155254, 308310508, 385388135, 770776270, 1541552540]

約数ペア:

[(1, 1541552540), (2, 770776270), (4, 385388135), (5, 308310508), (10, 154155254), (11, 140141140), (20, 77077627), (22, 70070570), (44, 35035285), (55, 28028228), (110, 14014114), (220, 7007057), (389, 3962860), (778, 1981430), (1556, 990715), (1945, 792572), (3890, 396286), (4279, 360260), (7780, 198143), (8558, 180130), (17116, 90065), (18013, 85580), (21395, 72052), (36026, 42790)]