28276890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 71663616

約数和(自身を除く): 43386726

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 107, 115, 138, 214, 230, 321, 345, 383, 535, 642, 690, 766, 1070, 1149, 1605, 1915, 2298, 2461, 3210, 3830, 4922, 5745, 7383, 8809, 11490, 12305, 14766, 17618, 24610, 26427, 36915, 40981, 44045, 52854, 73830, 81962, 88090, 122943, 132135, 204905, 245886, 264270, 409810, 614715, 942563, 1229430, 1885126, 2827689, 4712815, 5655378, 9425630, 14138445, 28276890]

約数ペア:

[(1, 28276890), (2, 14138445), (3, 9425630), (5, 5655378), (6, 4712815), (10, 2827689), (15, 1885126), (23, 1229430), (30, 942563), (46, 614715), (69, 409810), (107, 264270), (115, 245886), (138, 204905), (214, 132135), (230, 122943), (321, 88090), (345, 81962), (383, 73830), (535, 52854), (642, 44045), (690, 40981), (766, 36915), (1070, 26427), (1149, 24610), (1605, 17618), (1915, 14766), (2298, 12305), (2461, 11490), (3210, 8809), (3830, 7383), (4922, 5745)]