31439870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 75841920

約数和(自身を除く): 44402050

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 49, 55, 70, 77, 95, 98, 110, 133, 154, 190, 209, 245, 266, 307, 385, 418, 490, 539, 614, 665, 770, 931, 1045, 1078, 1330, 1463, 1535, 1862, 2090, 2149, 2695, 2926, 3070, 3377, 4298, 4655, 5390, 5833, 6754, 7315, 9310, 10241, 10745, 11666, 14630, 15043, 16885, 20482, 21490, 23639, 29165, 30086, 33770, 40831, 47278, 51205, 58330, 64163, 75215, 81662, 102410, 118195, 128326, 150430, 165473, 204155, 236390, 285817, 320815, 330946, 408310, 449141, 571634, 641630, 827365, 898282, 1429085, 1654730, 2245705, 2858170, 3143987, 4491410, 6287974, 15719935, 31439870]

約数ペア:

[(1, 31439870), (2, 15719935), (5, 6287974), (7, 4491410), (10, 3143987), (11, 2858170), (14, 2245705), (19, 1654730), (22, 1429085), (35, 898282), (38, 827365), (49, 641630), (55, 571634), (70, 449141), (77, 408310), (95, 330946), (98, 320815), (110, 285817), (133, 236390), (154, 204155), (190, 165473), (209, 150430), (245, 128326), (266, 118195), (307, 102410), (385, 81662), (418, 75215), (490, 64163), (539, 58330), (614, 51205), (665, 47278), (770, 40831), (931, 33770), (1045, 30086), (1078, 29165), (1330, 23639), (1463, 21490), (1535, 20482), (1862, 16885), (2090, 15043), (2149, 14630), (2695, 11666), (2926, 10745), (3070, 10241), (3377, 9310), (4298, 7315), (4655, 6754), (5390, 5833)]