388366860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{924683}}^1$

素因数の和:924702

約数の個数: 48

約数和(自身を含む): 1242775296

約数和(自身を除く): 854408436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 924683, 1849366, 2774049, 3698732, 4623415, 5548098, 6472781, 9246830, 11096196, 12945562, 13870245, 18493660, 19418343, 25891124, 27740490, 32363905, 38836686, 55480980, 64727810, 77673372, 97091715, 129455620, 194183430, 388366860]

約数ペア:

[(1, 388366860), (2, 194183430), (3, 129455620), (4, 97091715), (5, 77673372), (6, 64727810), (7, 55480980), (10, 38836686), (12, 32363905), (14, 27740490), (15, 25891124), (20, 19418343), (21, 18493660), (28, 13870245), (30, 12945562), (35, 11096196), (42, 9246830), (60, 6472781), (70, 5548098), (84, 4623415), (105, 3698732), (140, 2774049), (210, 1849366), (420, 924683)]