191709980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11317}}^1$

素因数の和:11355

約数の個数: 72

約数和(自身を含む): 505778784

約数和(自身を除く): 314068804

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 11317, 16940, 22634, 45268, 56585, 79219, 113170, 124487, 158438, 226340, 248974, 316876, 396095, 497948, 622435, 792190, 871409, 1244870, 1369357, 1584380, 1742818, 2489740, 2738714, 3485636, 4357045, 5477428, 6846785, 8714090, 9585499, 13693570, 17428180, 19170998, 27387140, 38341996, 47927495, 95854990, 191709980]

約数ペア:

[(1, 191709980), (2, 95854990), (4, 47927495), (5, 38341996), (7, 27387140), (10, 19170998), (11, 17428180), (14, 13693570), (20, 9585499), (22, 8714090), (28, 6846785), (35, 5477428), (44, 4357045), (55, 3485636), (70, 2738714), (77, 2489740), (110, 1742818), (121, 1584380), (140, 1369357), (154, 1244870), (220, 871409), (242, 792190), (308, 622435), (385, 497948), (484, 396095), (605, 316876), (770, 248974), (847, 226340), (1210, 158438), (1540, 124487), (1694, 113170), (2420, 79219), (3388, 56585), (4235, 45268), (8470, 22634), (11317, 16940)]