77847770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 194862024

約数和(自身を除く): 117014254

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 49, 55, 65, 70, 77, 91, 98, 101, 110, 121, 130, 143, 154, 182, 202, 242, 245, 286, 385, 455, 490, 505, 539, 605, 637, 707, 715, 770, 847, 910, 1001, 1010, 1078, 1111, 1210, 1274, 1313, 1414, 1430, 1573, 1694, 2002, 2222, 2626, 2695, 3146, 3185, 3535, 4235, 4949, 5005, 5390, 5555, 5929, 6370, 6565, 7007, 7070, 7777, 7865, 8470, 9191, 9898, 10010, 11011, 11110, 11858, 12221, 13130, 14014, 14443, 15554, 15730, 18382, 22022, 24442, 24745, 28886, 29645, 35035, 38885, 45955, 49490, 54439, 55055, 59290, 61105, 64337, 70070, 72215, 77077, 77770, 85547, 91910, 101101, 108878, 110110, 122210, 128674, 144430, 154154, 158873, 171094, 202202, 272195, 317746, 321685, 385385, 427735, 505505, 544390, 598829, 643370, 707707, 770770, 794365, 855470, 1011010, 1112111, 1197658, 1415414, 1588730, 2224222, 2994145, 3538535, 5560555, 5988290, 7077070, 7784777, 11121110, 15569554, 38923885, 77847770]

約数ペア:

[(1, 77847770), (2, 38923885), (5, 15569554), (7, 11121110), (10, 7784777), (11, 7077070), (13, 5988290), (14, 5560555), (22, 3538535), (26, 2994145), (35, 2224222), (49, 1588730), (55, 1415414), (65, 1197658), (70, 1112111), (77, 1011010), (91, 855470), (98, 794365), (101, 770770), (110, 707707), (121, 643370), (130, 598829), (143, 544390), (154, 505505), (182, 427735), (202, 385385), (242, 321685), (245, 317746), (286, 272195), (385, 202202), (455, 171094), (490, 158873), (505, 154154), (539, 144430), (605, 128674), (637, 122210), (707, 110110), (715, 108878), (770, 101101), (847, 91910), (910, 85547), (1001, 77770), (1010, 77077), (1078, 72215), (1111, 70070), (1210, 64337), (1274, 61105), (1313, 59290), (1414, 55055), (1430, 54439), (1573, 49490), (1694, 45955), (2002, 38885), (2222, 35035), (2626, 29645), (2695, 28886), (3146, 24745), (3185, 24442), (3535, 22022), (4235, 18382), (4949, 15730), (5005, 15554), (5390, 14443), (5555, 14014), (5929, 13130), (6370, 12221), (6565, 11858), (7007, 11110), (7070, 11011), (7777, 10010), (7865, 9898), (8470, 9191)]