142724620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1091}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 311141376

約数和(自身を除く): 168416756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 422, 620, 844, 1055, 1091, 2110, 2182, 4220, 4364, 5455, 6541, 10910, 13082, 21820, 26164, 32705, 33821, 65410, 67642, 130820, 135284, 169105, 230201, 338210, 460402, 676420, 920804, 1151005, 2302010, 4604020, 7136231, 14272462, 28544924, 35681155, 71362310, 142724620]

約数ペア:

[(1, 142724620), (2, 71362310), (4, 35681155), (5, 28544924), (10, 14272462), (20, 7136231), (31, 4604020), (62, 2302010), (124, 1151005), (155, 920804), (211, 676420), (310, 460402), (422, 338210), (620, 230201), (844, 169105), (1055, 135284), (1091, 130820), (2110, 67642), (2182, 65410), (4220, 33821), (4364, 32705), (5455, 26164), (6541, 21820), (10910, 13082)]