12788710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 27475200

約数和(自身を除く): 14686490

約数列:

[1, 2, 5, 10, 11, 19, 22, 29, 38, 55, 58, 95, 110, 145, 190, 209, 211, 290, 319, 418, 422, 551, 638, 1045, 1055, 1102, 1595, 2090, 2110, 2321, 2755, 3190, 4009, 4642, 5510, 6061, 6119, 8018, 11605, 12122, 12238, 20045, 23210, 30305, 30595, 40090, 44099, 60610, 61190, 67309, 88198, 116261, 134618, 220495, 232522, 336545, 440990, 581305, 673090, 1162610, 1278871, 2557742, 6394355, 12788710]

約数ペア:

[(1, 12788710), (2, 6394355), (5, 2557742), (10, 1278871), (11, 1162610), (19, 673090), (22, 581305), (29, 440990), (38, 336545), (55, 232522), (58, 220495), (95, 134618), (110, 116261), (145, 88198), (190, 67309), (209, 61190), (211, 60610), (290, 44099), (319, 40090), (418, 30595), (422, 30305), (551, 23210), (638, 20045), (1045, 12238), (1055, 12122), (1102, 11605), (1595, 8018), (2090, 6119), (2110, 6061), (2321, 5510), (2755, 4642), (3190, 4009)]