148780880

素因数分解:

$2^4\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1489}}^1$

素因数の和:2751

約数の個数: 40

約数和(自身を含む): 346425000

約数和(自身を除く): 197644120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1249, 1489, 2498, 2978, 4996, 5956, 6245, 7445, 9992, 11912, 12490, 14890, 19984, 23824, 24980, 29780, 49960, 59560, 99920, 119120, 1859761, 3719522, 7439044, 9298805, 14878088, 18597610, 29756176, 37195220, 74390440, 148780880]

約数ペア:

[(1, 148780880), (2, 74390440), (4, 37195220), (5, 29756176), (8, 18597610), (10, 14878088), (16, 9298805), (20, 7439044), (40, 3719522), (80, 1859761), (1249, 119120), (1489, 99920), (2498, 59560), (2978, 49960), (4996, 29780), (5956, 24980), (6245, 23824), (7445, 19984), (9992, 14890), (11912, 12490)]