203216920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{733}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 475632000

約数和(自身を除く): 272415080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 239, 290, 478, 580, 733, 956, 1160, 1195, 1466, 1912, 2390, 2932, 3665, 4780, 5864, 6931, 7330, 9560, 13862, 14660, 21257, 27724, 29320, 34655, 42514, 55448, 69310, 85028, 106285, 138620, 170056, 175187, 212570, 277240, 350374, 425140, 700748, 850280, 875935, 1401496, 1751870, 3503740, 5080423, 7007480, 10160846, 20321692, 25402115, 40643384, 50804230, 101608460, 203216920]

約数ペア:

[(1, 203216920), (2, 101608460), (4, 50804230), (5, 40643384), (8, 25402115), (10, 20321692), (20, 10160846), (29, 7007480), (40, 5080423), (58, 3503740), (116, 1751870), (145, 1401496), (232, 875935), (239, 850280), (290, 700748), (478, 425140), (580, 350374), (733, 277240), (956, 212570), (1160, 175187), (1195, 170056), (1466, 138620), (1912, 106285), (2390, 85028), (2932, 69310), (3665, 55448), (4780, 42514), (5864, 34655), (6931, 29320), (7330, 27724), (9560, 21257), (13862, 14660)]