65616620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 140767200

約数和(自身を除く): 75150580

約数列:

[1, 2, 4, 5, 10, 20, 97, 149, 194, 227, 298, 388, 454, 485, 596, 745, 908, 970, 1135, 1490, 1940, 2270, 2980, 4540, 14453, 22019, 28906, 33823, 44038, 57812, 67646, 72265, 88076, 110095, 135292, 144530, 169115, 220190, 289060, 338230, 440380, 676460, 3280831, 6561662, 13123324, 16404155, 32808310, 65616620]

約数ペア:

[(1, 65616620), (2, 32808310), (4, 16404155), (5, 13123324), (10, 6561662), (20, 3280831), (97, 676460), (149, 440380), (194, 338230), (227, 289060), (298, 220190), (388, 169115), (454, 144530), (485, 135292), (596, 110095), (745, 88076), (908, 72265), (970, 67646), (1135, 57812), (1490, 44038), (1940, 33823), (2270, 28906), (2980, 22019), (4540, 14453)]