765808220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{3989}}^1$

素因数の和:4358

約数の個数: 48

約数和(自身を含む): 1669096800

約数和(自身を除く): 903288580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 580, 662, 1324, 1655, 3310, 3989, 6620, 7978, 9599, 15956, 19198, 19945, 38396, 39890, 47995, 79780, 95990, 115681, 191980, 231362, 462724, 578405, 1156810, 1320359, 2313620, 2640718, 5281436, 6601795, 13203590, 26407180, 38290411, 76580822, 153161644, 191452055, 382904110, 765808220]

約数ペア:

[(1, 765808220), (2, 382904110), (4, 191452055), (5, 153161644), (10, 76580822), (20, 38290411), (29, 26407180), (58, 13203590), (116, 6601795), (145, 5281436), (290, 2640718), (331, 2313620), (580, 1320359), (662, 1156810), (1324, 578405), (1655, 462724), (3310, 231362), (3989, 191980), (6620, 115681), (7978, 95990), (9599, 79780), (15956, 47995), (19198, 39890), (19945, 38396)]