202222220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2309}}^1$

素因数の和:2498

約数の個数: 48

約数和(自身を含む): 442411200

約数和(自身を除く): 240188980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 290, 302, 580, 604, 755, 1510, 2309, 3020, 4379, 4618, 8758, 9236, 11545, 17516, 21895, 23090, 43790, 46180, 66961, 87580, 133922, 267844, 334805, 348659, 669610, 697318, 1339220, 1394636, 1743295, 3486590, 6973180, 10111111, 20222222, 40444444, 50555555, 101111110, 202222220]

約数ペア:

[(1, 202222220), (2, 101111110), (4, 50555555), (5, 40444444), (10, 20222222), (20, 10111111), (29, 6973180), (58, 3486590), (116, 1743295), (145, 1394636), (151, 1339220), (290, 697318), (302, 669610), (580, 348659), (604, 334805), (755, 267844), (1510, 133922), (2309, 87580), (3020, 66961), (4379, 46180), (4618, 43790), (8758, 23090), (9236, 21895), (11545, 17516)]