8380458520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{125231}}^1$

素因数の和:125488

約数の個数: 64

約数和(自身を含む): 21640089600

約数和(自身を除く): 13259631080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 3346, 4780, 6692, 8365, 9560, 13384, 16730, 33460, 66920, 125231, 250462, 500924, 626155, 876617, 1001848, 1252310, 1753234, 2504620, 3506468, 4383085, 5009240, 7012936, 8766170, 17532340, 29930209, 35064680, 59860418, 119720836, 149651045, 209511463, 239441672, 299302090, 419022926, 598604180, 838045852, 1047557315, 1197208360, 1676091704, 2095114630, 4190229260, 8380458520]

約数ペア:

[(1, 8380458520), (2, 4190229260), (4, 2095114630), (5, 1676091704), (7, 1197208360), (8, 1047557315), (10, 838045852), (14, 598604180), (20, 419022926), (28, 299302090), (35, 239441672), (40, 209511463), (56, 149651045), (70, 119720836), (140, 59860418), (239, 35064680), (280, 29930209), (478, 17532340), (956, 8766170), (1195, 7012936), (1673, 5009240), (1912, 4383085), (2390, 3506468), (3346, 2504620), (4780, 1753234), (6692, 1252310), (8365, 1001848), (9560, 876617), (13384, 626155), (16730, 500924), (33460, 250462), (66920, 125231)]