1377024980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{38921}}^1$

素因数の和:39020

約数の個数: 48

約数和(自身を含む): 3040586640

約数和(自身を除く): 1663561660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 7076, 8845, 17690, 35380, 38921, 77842, 155684, 194605, 389210, 778420, 1128709, 2257418, 2374181, 4514836, 4748362, 5643545, 9496724, 11287090, 11870905, 22574180, 23741810, 47483620, 68851249, 137702498, 275404996, 344256245, 688512490, 1377024980]

約数ペア:

[(1, 1377024980), (2, 688512490), (4, 344256245), (5, 275404996), (10, 137702498), (20, 68851249), (29, 47483620), (58, 23741810), (61, 22574180), (116, 11870905), (122, 11287090), (145, 9496724), (244, 5643545), (290, 4748362), (305, 4514836), (580, 2374181), (610, 2257418), (1220, 1128709), (1769, 778420), (3538, 389210), (7076, 194605), (8845, 155684), (17690, 77842), (35380, 38921)]