2087140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 4898880

約数和(自身を除く): 2811740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 179, 212, 220, 265, 358, 530, 583, 716, 895, 1060, 1166, 1790, 1969, 2332, 2915, 3580, 3938, 5830, 7876, 9487, 9845, 11660, 18974, 19690, 37948, 39380, 47435, 94870, 104357, 189740, 208714, 417428, 521785, 1043570, 2087140]

約数ペア:

[(1, 2087140), (2, 1043570), (4, 521785), (5, 417428), (10, 208714), (11, 189740), (20, 104357), (22, 94870), (44, 47435), (53, 39380), (55, 37948), (106, 19690), (110, 18974), (179, 11660), (212, 9845), (220, 9487), (265, 7876), (358, 5830), (530, 3938), (583, 3580), (716, 2915), (895, 2332), (1060, 1969), (1166, 1790)]