123788980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2333}}^1$

素因数の和:2728

約数の個数: 48

約数和(自身を含む): 298005120

約数和(自身を除く): 174216140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 758, 1516, 1895, 2333, 2653, 3790, 4666, 5306, 7580, 9332, 10612, 11665, 13265, 16331, 23330, 26530, 32662, 46660, 53060, 65324, 81655, 163310, 326620, 884207, 1768414, 3536828, 4421035, 6189449, 8842070, 12378898, 17684140, 24757796, 30947245, 61894490, 123788980]

約数ペア:

[(1, 123788980), (2, 61894490), (4, 30947245), (5, 24757796), (7, 17684140), (10, 12378898), (14, 8842070), (20, 6189449), (28, 4421035), (35, 3536828), (70, 1768414), (140, 884207), (379, 326620), (758, 163310), (1516, 81655), (1895, 65324), (2333, 53060), (2653, 46660), (3790, 32662), (4666, 26530), (5306, 23330), (7580, 16331), (9332, 13265), (10612, 11665)]