492799640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2377}}^1$

素因数の和:2532

約数の個数: 64

約数和(自身を含む): 1140298560

約数和(自身を除く): 647498920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 284, 292, 355, 365, 568, 584, 710, 730, 1420, 1460, 2377, 2840, 2920, 4754, 5183, 9508, 10366, 11885, 19016, 20732, 23770, 25915, 41464, 47540, 51830, 95080, 103660, 168767, 173521, 207320, 337534, 347042, 675068, 694084, 843835, 867605, 1350136, 1388168, 1687670, 1735210, 3375340, 3470420, 6750680, 6940840, 12319991, 24639982, 49279964, 61599955, 98559928, 123199910, 246399820, 492799640]

約数ペア:

[(1, 492799640), (2, 246399820), (4, 123199910), (5, 98559928), (8, 61599955), (10, 49279964), (20, 24639982), (40, 12319991), (71, 6940840), (73, 6750680), (142, 3470420), (146, 3375340), (284, 1735210), (292, 1687670), (355, 1388168), (365, 1350136), (568, 867605), (584, 843835), (710, 694084), (730, 675068), (1420, 347042), (1460, 337534), (2377, 207320), (2840, 173521), (2920, 168767), (4754, 103660), (5183, 95080), (9508, 51830), (10366, 47540), (11885, 41464), (19016, 25915), (20732, 23770)]