190621660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1361}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 411868800

約数和(自身を除く): 221247140

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 149, 188, 235, 298, 470, 596, 745, 940, 1361, 1490, 2722, 2980, 5444, 6805, 7003, 13610, 14006, 27220, 28012, 35015, 63967, 70030, 127934, 140060, 202789, 255868, 319835, 405578, 639670, 811156, 1013945, 1279340, 2027890, 4055780, 9531083, 19062166, 38124332, 47655415, 95310830, 190621660]

約数ペア:

[(1, 190621660), (2, 95310830), (4, 47655415), (5, 38124332), (10, 19062166), (20, 9531083), (47, 4055780), (94, 2027890), (149, 1279340), (188, 1013945), (235, 811156), (298, 639670), (470, 405578), (596, 319835), (745, 255868), (940, 202789), (1361, 140060), (1490, 127934), (2722, 70030), (2980, 63967), (5444, 35015), (6805, 28012), (7003, 27220), (13610, 14006)]