31138030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 73133280

約数和(自身を除く): 41995250

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 53, 55, 70, 77, 98, 106, 109, 110, 154, 218, 245, 265, 371, 385, 490, 530, 539, 545, 583, 742, 763, 770, 1078, 1090, 1166, 1199, 1526, 1855, 2398, 2597, 2695, 2915, 3710, 3815, 4081, 5194, 5341, 5390, 5777, 5830, 5995, 7630, 8162, 8393, 10682, 11554, 11990, 12985, 16786, 20405, 25970, 26705, 28567, 28885, 40439, 40810, 41965, 53410, 57134, 57770, 58751, 63547, 80878, 83930, 117502, 127094, 142835, 202195, 283073, 285670, 293755, 317735, 404390, 444829, 566146, 587510, 635470, 889658, 1415365, 2224145, 2830730, 3113803, 4448290, 6227606, 15569015, 31138030]

約数ペア:

[(1, 31138030), (2, 15569015), (5, 6227606), (7, 4448290), (10, 3113803), (11, 2830730), (14, 2224145), (22, 1415365), (35, 889658), (49, 635470), (53, 587510), (55, 566146), (70, 444829), (77, 404390), (98, 317735), (106, 293755), (109, 285670), (110, 283073), (154, 202195), (218, 142835), (245, 127094), (265, 117502), (371, 83930), (385, 80878), (490, 63547), (530, 58751), (539, 57770), (545, 57134), (583, 53410), (742, 41965), (763, 40810), (770, 40439), (1078, 28885), (1090, 28567), (1166, 26705), (1199, 25970), (1526, 20405), (1855, 16786), (2398, 12985), (2597, 11990), (2695, 11554), (2915, 10682), (3710, 8393), (3815, 8162), (4081, 7630), (5194, 5995), (5341, 5830), (5390, 5777)]