8207156980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{21727}}^1$

素因数の和:21865

約数の個数: 96

約数和(自身を含む): 20105874432

約数和(自身を除く): 11898717452

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 101, 110, 170, 187, 202, 220, 340, 374, 404, 505, 748, 935, 1010, 1111, 1717, 1870, 2020, 2222, 3434, 3740, 4444, 5555, 6868, 8585, 11110, 17170, 18887, 21727, 22220, 34340, 37774, 43454, 75548, 86908, 94435, 108635, 188870, 217270, 238997, 369359, 377740, 434540, 477994, 738718, 955988, 1194985, 1477436, 1846795, 2194427, 2389970, 3693590, 4062949, 4388854, 4779940, 7387180, 8125898, 8777708, 10972135, 16251796, 20314745, 21944270, 24138697, 37305259, 40629490, 43888540, 48277394, 74610518, 81258980, 96554788, 120693485, 149221036, 186526295, 241386970, 373052590, 410357849, 482773940, 746105180, 820715698, 1641431396, 2051789245, 4103578490, 8207156980]

約数ペア:

[(1, 8207156980), (2, 4103578490), (4, 2051789245), (5, 1641431396), (10, 820715698), (11, 746105180), (17, 482773940), (20, 410357849), (22, 373052590), (34, 241386970), (44, 186526295), (55, 149221036), (68, 120693485), (85, 96554788), (101, 81258980), (110, 74610518), (170, 48277394), (187, 43888540), (202, 40629490), (220, 37305259), (340, 24138697), (374, 21944270), (404, 20314745), (505, 16251796), (748, 10972135), (935, 8777708), (1010, 8125898), (1111, 7387180), (1717, 4779940), (1870, 4388854), (2020, 4062949), (2222, 3693590), (3434, 2389970), (3740, 2194427), (4444, 1846795), (5555, 1477436), (6868, 1194985), (8585, 955988), (11110, 738718), (17170, 477994), (18887, 434540), (21727, 377740), (22220, 369359), (34340, 238997), (37774, 217270), (43454, 188870), (75548, 108635), (86908, 94435)]