138201410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 261889848

約数和(自身を除く): 123688438

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 197, 310, 365, 394, 730, 961, 985, 1922, 1970, 2263, 4526, 4805, 6107, 9610, 11315, 12214, 14381, 22630, 28762, 30535, 61070, 70153, 71905, 140306, 143810, 189317, 350765, 378634, 445811, 701530, 891622, 946585, 1893170, 2229055, 4458110, 13820141, 27640282, 69100705, 138201410]

約数ペア:

[(1, 138201410), (2, 69100705), (5, 27640282), (10, 13820141), (31, 4458110), (62, 2229055), (73, 1893170), (146, 946585), (155, 891622), (197, 701530), (310, 445811), (365, 378634), (394, 350765), (730, 189317), (961, 143810), (985, 140306), (1922, 71905), (1970, 70153), (2263, 61070), (4526, 30535), (4805, 28762), (6107, 22630), (9610, 14381), (11315, 12214)]