187400180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 460494720

約数和(自身を除く): 273094540

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 89, 110, 170, 178, 187, 220, 340, 356, 374, 445, 563, 748, 890, 935, 979, 1126, 1513, 1780, 1870, 1958, 2252, 2815, 3026, 3740, 3916, 4895, 5630, 6052, 6193, 7565, 9571, 9790, 11260, 12386, 15130, 16643, 19142, 19580, 24772, 30260, 30965, 33286, 38284, 47855, 50107, 61930, 66572, 83215, 95710, 100214, 105281, 123860, 166430, 191420, 200428, 210562, 250535, 332860, 421124, 501070, 526405, 551177, 851819, 1002140, 1052810, 1102354, 1703638, 2105620, 2204708, 2755885, 3407276, 4259095, 5511770, 8518190, 9370009, 11023540, 17036380, 18740018, 37480036, 46850045, 93700090, 187400180]

約数ペア:

[(1, 187400180), (2, 93700090), (4, 46850045), (5, 37480036), (10, 18740018), (11, 17036380), (17, 11023540), (20, 9370009), (22, 8518190), (34, 5511770), (44, 4259095), (55, 3407276), (68, 2755885), (85, 2204708), (89, 2105620), (110, 1703638), (170, 1102354), (178, 1052810), (187, 1002140), (220, 851819), (340, 551177), (356, 526405), (374, 501070), (445, 421124), (563, 332860), (748, 250535), (890, 210562), (935, 200428), (979, 191420), (1126, 166430), (1513, 123860), (1780, 105281), (1870, 100214), (1958, 95710), (2252, 83215), (2815, 66572), (3026, 61930), (3740, 50107), (3916, 47855), (4895, 38284), (5630, 33286), (6052, 30965), (6193, 30260), (7565, 24772), (9571, 19580), (9790, 19142), (11260, 16643), (12386, 15130)]