16900120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 41176800

約数和(自身を除く): 24276680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 601, 703, 740, 760, 1202, 1406, 1480, 2404, 2812, 3005, 3515, 4808, 5624, 6010, 7030, 11419, 12020, 14060, 22237, 22838, 24040, 28120, 44474, 45676, 57095, 88948, 91352, 111185, 114190, 177896, 222370, 228380, 422503, 444740, 456760, 845006, 889480, 1690012, 2112515, 3380024, 4225030, 8450060, 16900120]

約数ペア:

[(1, 16900120), (2, 8450060), (4, 4225030), (5, 3380024), (8, 2112515), (10, 1690012), (19, 889480), (20, 845006), (37, 456760), (38, 444740), (40, 422503), (74, 228380), (76, 222370), (95, 177896), (148, 114190), (152, 111185), (185, 91352), (190, 88948), (296, 57095), (370, 45676), (380, 44474), (601, 28120), (703, 24040), (740, 22838), (760, 22237), (1202, 14060), (1406, 12020), (1480, 11419), (2404, 7030), (2812, 6010), (3005, 5624), (3515, 4808)]