128434832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 273196800

約数和(自身を除く): 144761968

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 89, 94, 101, 152, 178, 188, 202, 304, 356, 376, 404, 712, 752, 808, 893, 1424, 1616, 1691, 1786, 1919, 3382, 3572, 3838, 4183, 4747, 6764, 7144, 7676, 8366, 8989, 9494, 13528, 14288, 15352, 16732, 17978, 18988, 27056, 30704, 33464, 35956, 37976, 66928, 71912, 75952, 79477, 90193, 143824, 158954, 170791, 180386, 317908, 341582, 360772, 422483, 635816, 683164, 721544, 844966, 1271632, 1366328, 1443088, 1689932, 2732656, 3379864, 6759728, 8027177, 16054354, 32108708, 64217416, 128434832]

約数ペア:

[(1, 128434832), (2, 64217416), (4, 32108708), (8, 16054354), (16, 8027177), (19, 6759728), (38, 3379864), (47, 2732656), (76, 1689932), (89, 1443088), (94, 1366328), (101, 1271632), (152, 844966), (178, 721544), (188, 683164), (202, 635816), (304, 422483), (356, 360772), (376, 341582), (404, 317908), (712, 180386), (752, 170791), (808, 158954), (893, 143824), (1424, 90193), (1616, 79477), (1691, 75952), (1786, 71912), (1919, 66928), (3382, 37976), (3572, 35956), (3838, 33464), (4183, 30704), (4747, 27056), (6764, 18988), (7144, 17978), (7676, 16732), (8366, 15352), (8989, 14288), (9494, 13528)]