79218140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1871}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 174545280

約数和(自身を除く): 95327140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 1871, 2117, 3742, 4234, 7484, 8468, 9355, 10585, 18710, 21170, 37420, 42340, 54259, 108518, 136583, 217036, 271295, 273166, 542590, 546332, 682915, 1085180, 1365830, 2731660, 3960907, 7921814, 15843628, 19804535, 39609070, 79218140]

約数ペア:

[(1, 79218140), (2, 39609070), (4, 19804535), (5, 15843628), (10, 7921814), (20, 3960907), (29, 2731660), (58, 1365830), (73, 1085180), (116, 682915), (145, 546332), (146, 542590), (290, 273166), (292, 271295), (365, 217036), (580, 136583), (730, 108518), (1460, 54259), (1871, 42340), (2117, 37420), (3742, 21170), (4234, 18710), (7484, 10585), (8468, 9355)]