988898890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{106219}}^1$

素因数の和:106259

約数の個数: 48

約数和(自身を含む): 2179634400

約数和(自身を除く): 1190735510

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 9310, 106219, 212438, 531095, 743533, 1062190, 1487066, 2018161, 3717665, 4036322, 5204731, 7435330, 10090805, 10409462, 14127127, 20181610, 26023655, 28254254, 52047310, 70635635, 98889889, 141271270, 197779778, 494449445, 988898890]

約数ペア:

[(1, 988898890), (2, 494449445), (5, 197779778), (7, 141271270), (10, 98889889), (14, 70635635), (19, 52047310), (35, 28254254), (38, 26023655), (49, 20181610), (70, 14127127), (95, 10409462), (98, 10090805), (133, 7435330), (190, 5204731), (245, 4036322), (266, 3717665), (490, 2018161), (665, 1487066), (931, 1062190), (1330, 743533), (1862, 531095), (4655, 212438), (9310, 106219)]