1397157020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{525247}}^1$

素因数の和:525282

約数の個数: 48

約数和(自身を含む): 3529666560

約数和(自身を除く): 2132509540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 525247, 1050494, 2100988, 2626235, 3676729, 5252470, 7353458, 9979693, 10504940, 14706916, 18383645, 19959386, 36767290, 39918772, 49898465, 69857851, 73534580, 99796930, 139715702, 199593860, 279431404, 349289255, 698578510, 1397157020]

約数ペア:

[(1, 1397157020), (2, 698578510), (4, 349289255), (5, 279431404), (7, 199593860), (10, 139715702), (14, 99796930), (19, 73534580), (20, 69857851), (28, 49898465), (35, 39918772), (38, 36767290), (70, 19959386), (76, 18383645), (95, 14706916), (133, 10504940), (140, 9979693), (190, 7353458), (266, 5252470), (380, 3676729), (532, 2626235), (665, 2100988), (1330, 1050494), (2660, 525247)]