123428984

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 271550400

約数和(自身を除く): 148121416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 109, 146, 218, 277, 292, 436, 511, 554, 584, 763, 872, 1022, 1108, 1526, 1939, 2044, 2216, 3052, 3878, 4088, 6104, 7756, 7957, 15512, 15914, 20221, 30193, 31828, 40442, 55699, 60386, 63656, 80884, 111398, 120772, 141547, 161768, 211351, 222796, 241544, 283094, 422702, 445592, 566188, 845404, 1132376, 1690808, 2204089, 4408178, 8816356, 15428623, 17632712, 30857246, 61714492, 123428984]

約数ペア:

[(1, 123428984), (2, 61714492), (4, 30857246), (7, 17632712), (8, 15428623), (14, 8816356), (28, 4408178), (56, 2204089), (73, 1690808), (109, 1132376), (146, 845404), (218, 566188), (277, 445592), (292, 422702), (436, 283094), (511, 241544), (554, 222796), (584, 211351), (763, 161768), (872, 141547), (1022, 120772), (1108, 111398), (1526, 80884), (1939, 63656), (2044, 60386), (2216, 55699), (3052, 40442), (3878, 31828), (4088, 30193), (6104, 20221), (7756, 15914), (7957, 15512)]