77218540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 193019904

約数和(自身を除く): 115801364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 101, 127, 140, 172, 202, 215, 254, 301, 404, 430, 505, 508, 602, 635, 707, 860, 889, 1010, 1204, 1270, 1414, 1505, 1778, 2020, 2540, 2828, 3010, 3535, 3556, 4343, 4445, 5461, 6020, 7070, 8686, 8890, 10922, 12827, 14140, 17372, 17780, 21715, 21844, 25654, 27305, 30401, 38227, 43430, 51308, 54610, 60802, 64135, 76454, 86860, 89789, 109220, 121604, 128270, 152005, 152908, 179578, 191135, 256540, 304010, 359156, 382270, 448945, 551561, 608020, 764540, 897890, 1103122, 1795780, 2206244, 2757805, 3860927, 5515610, 7721854, 11031220, 15443708, 19304635, 38609270, 77218540]

約数ペア:

[(1, 77218540), (2, 38609270), (4, 19304635), (5, 15443708), (7, 11031220), (10, 7721854), (14, 5515610), (20, 3860927), (28, 2757805), (35, 2206244), (43, 1795780), (70, 1103122), (86, 897890), (101, 764540), (127, 608020), (140, 551561), (172, 448945), (202, 382270), (215, 359156), (254, 304010), (301, 256540), (404, 191135), (430, 179578), (505, 152908), (508, 152005), (602, 128270), (635, 121604), (707, 109220), (860, 89789), (889, 86860), (1010, 76454), (1204, 64135), (1270, 60802), (1414, 54610), (1505, 51308), (1778, 43430), (2020, 38227), (2540, 30401), (2828, 27305), (3010, 25654), (3535, 21844), (3556, 21715), (4343, 17780), (4445, 17372), (5461, 14140), (6020, 12827), (7070, 10922), (8686, 8890)]