7472220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17791}}^1$

素因数の和:17810

約数の個数: 48

約数和(自身を含む): 23912448

約数和(自身を除く): 16440228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 17791, 35582, 53373, 71164, 88955, 106746, 124537, 177910, 213492, 249074, 266865, 355820, 373611, 498148, 533730, 622685, 747222, 1067460, 1245370, 1494444, 1868055, 2490740, 3736110, 7472220]

約数ペア:

[(1, 7472220), (2, 3736110), (3, 2490740), (4, 1868055), (5, 1494444), (6, 1245370), (7, 1067460), (10, 747222), (12, 622685), (14, 533730), (15, 498148), (20, 373611), (21, 355820), (28, 266865), (30, 249074), (35, 213492), (42, 177910), (60, 124537), (70, 106746), (84, 88955), (105, 71164), (140, 53373), (210, 35582), (420, 17791)]