830786980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{3109}}^1$

素因数の和:3580

約数の個数: 48

約数和(自身を含む): 1805690880

約数和(自身を除く): 974903900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 431, 620, 862, 1724, 2155, 3109, 4310, 6218, 8620, 12436, 13361, 15545, 26722, 31090, 53444, 62180, 66805, 96379, 133610, 192758, 267220, 385516, 481895, 963790, 1339979, 1927580, 2679958, 5359916, 6699895, 13399790, 26799580, 41539349, 83078698, 166157396, 207696745, 415393490, 830786980]

約数ペア:

[(1, 830786980), (2, 415393490), (4, 207696745), (5, 166157396), (10, 83078698), (20, 41539349), (31, 26799580), (62, 13399790), (124, 6699895), (155, 5359916), (310, 2679958), (431, 1927580), (620, 1339979), (862, 963790), (1724, 481895), (2155, 385516), (3109, 267220), (4310, 192758), (6218, 133610), (8620, 96379), (12436, 66805), (13361, 62180), (15545, 53444), (26722, 31090)]