7917140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 21337344

約数和(自身を除く): 13420204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 53, 55, 70, 77, 97, 106, 110, 140, 154, 194, 212, 220, 265, 308, 371, 385, 388, 485, 530, 583, 679, 742, 770, 970, 1060, 1067, 1166, 1358, 1484, 1540, 1855, 1940, 2134, 2332, 2716, 2915, 3395, 3710, 4081, 4268, 5141, 5335, 5830, 6790, 7420, 7469, 8162, 10282, 10670, 11660, 13580, 14938, 16324, 20405, 20564, 21340, 25705, 29876, 35987, 37345, 40810, 51410, 56551, 71974, 74690, 81620, 102820, 113102, 143948, 149380, 179935, 226204, 282755, 359870, 395857, 565510, 719740, 791714, 1131020, 1583428, 1979285, 3958570, 7917140]

約数ペア:

[(1, 7917140), (2, 3958570), (4, 1979285), (5, 1583428), (7, 1131020), (10, 791714), (11, 719740), (14, 565510), (20, 395857), (22, 359870), (28, 282755), (35, 226204), (44, 179935), (53, 149380), (55, 143948), (70, 113102), (77, 102820), (97, 81620), (106, 74690), (110, 71974), (140, 56551), (154, 51410), (194, 40810), (212, 37345), (220, 35987), (265, 29876), (308, 25705), (371, 21340), (385, 20564), (388, 20405), (485, 16324), (530, 14938), (583, 13580), (679, 11660), (742, 10670), (770, 10282), (970, 8162), (1060, 7469), (1067, 7420), (1166, 6790), (1358, 5830), (1484, 5335), (1540, 5141), (1855, 4268), (1940, 4081), (2134, 3710), (2332, 3395), (2716, 2915)]