305855120

素因数分解:

$2^4\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{3061}}^1$

素因数の和:4323

約数の個数: 40

約数和(自身を含む): 711915000

約数和(自身を除く): 406059880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1249, 2498, 3061, 4996, 6122, 6245, 9992, 12244, 12490, 15305, 19984, 24488, 24980, 30610, 48976, 49960, 61220, 99920, 122440, 244880, 3823189, 7646378, 15292756, 19115945, 30585512, 38231890, 61171024, 76463780, 152927560, 305855120]

約数ペア:

[(1, 305855120), (2, 152927560), (4, 76463780), (5, 61171024), (8, 38231890), (10, 30585512), (16, 19115945), (20, 15292756), (40, 7646378), (80, 3823189), (1249, 244880), (2498, 122440), (3061, 99920), (4996, 61220), (6122, 49960), (6245, 48976), (9992, 30610), (12244, 24980), (12490, 24488), (15305, 19984)]