320460848

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{1039}}^1$

素因数の和:1605

約数の個数: 40

約数和(自身を含む): 639512640

約数和(自身を除く): 319051792

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 521, 592, 1039, 1042, 2078, 2084, 4156, 4168, 8312, 8336, 16624, 19277, 38443, 38554, 76886, 77108, 153772, 154216, 307544, 308432, 541319, 615088, 1082638, 2165276, 4330552, 8661104, 20028803, 40057606, 80115212, 160230424, 320460848]

約数ペア:

[(1, 320460848), (2, 160230424), (4, 80115212), (8, 40057606), (16, 20028803), (37, 8661104), (74, 4330552), (148, 2165276), (296, 1082638), (521, 615088), (592, 541319), (1039, 308432), (1042, 307544), (2078, 154216), (2084, 153772), (4156, 77108), (4168, 76886), (8312, 38554), (8336, 38443), (16624, 19277)]