129757880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 342273600

約数和(自身を除く): 212515720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 239, 245, 277, 280, 392, 478, 490, 554, 956, 980, 1108, 1195, 1385, 1673, 1912, 1939, 1960, 2216, 2390, 2770, 3346, 3878, 4780, 5540, 6692, 7756, 8365, 9560, 9695, 11080, 11711, 13384, 13573, 15512, 16730, 19390, 23422, 27146, 33460, 38780, 46844, 54292, 58555, 66203, 66920, 67865, 77560, 93688, 108584, 117110, 132406, 135730, 234220, 264812, 271460, 331015, 463421, 468440, 529624, 542920, 662030, 926842, 1324060, 1853684, 2317105, 2648120, 3243947, 3707368, 4634210, 6487894, 9268420, 12975788, 16219735, 18536840, 25951576, 32439470, 64878940, 129757880]

約数ペア:

[(1, 129757880), (2, 64878940), (4, 32439470), (5, 25951576), (7, 18536840), (8, 16219735), (10, 12975788), (14, 9268420), (20, 6487894), (28, 4634210), (35, 3707368), (40, 3243947), (49, 2648120), (56, 2317105), (70, 1853684), (98, 1324060), (140, 926842), (196, 662030), (239, 542920), (245, 529624), (277, 468440), (280, 463421), (392, 331015), (478, 271460), (490, 264812), (554, 234220), (956, 135730), (980, 132406), (1108, 117110), (1195, 108584), (1385, 93688), (1673, 77560), (1912, 67865), (1939, 66920), (1960, 66203), (2216, 58555), (2390, 54292), (2770, 46844), (3346, 38780), (3878, 33460), (4780, 27146), (5540, 23422), (6692, 19390), (7756, 16730), (8365, 15512), (9560, 13573), (9695, 13384), (11080, 11711)]