290866136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4243}}^1$

素因数の和:4320

約数の個数: 64

約数和(自身を含む): 641692800

約数和(自身を除く): 350826664

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 41, 44, 76, 82, 88, 152, 164, 209, 328, 418, 451, 779, 836, 902, 1558, 1672, 1804, 3116, 3608, 4243, 6232, 8486, 8569, 16972, 17138, 33944, 34276, 46673, 68552, 80617, 93346, 161234, 173963, 186692, 322468, 347926, 373384, 644936, 695852, 886787, 1391704, 1773574, 1913593, 3305297, 3547148, 3827186, 6610594, 7094296, 7654372, 13221188, 15308744, 26442376, 36358267, 72716534, 145433068, 290866136]

約数ペア:

[(1, 290866136), (2, 145433068), (4, 72716534), (8, 36358267), (11, 26442376), (19, 15308744), (22, 13221188), (38, 7654372), (41, 7094296), (44, 6610594), (76, 3827186), (82, 3547148), (88, 3305297), (152, 1913593), (164, 1773574), (209, 1391704), (328, 886787), (418, 695852), (451, 644936), (779, 373384), (836, 347926), (902, 322468), (1558, 186692), (1672, 173963), (1804, 161234), (3116, 93346), (3608, 80617), (4243, 68552), (6232, 46673), (8486, 34276), (8569, 33944), (16972, 17138)]