186917560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 434728800

約数和(自身を除く): 247811240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 109, 172, 215, 218, 344, 430, 436, 545, 860, 872, 997, 1090, 1720, 1994, 2180, 3988, 4360, 4687, 4985, 7976, 9374, 9970, 18748, 19940, 23435, 37496, 39880, 42871, 46870, 85742, 93740, 108673, 171484, 187480, 214355, 217346, 342968, 428710, 434692, 543365, 857420, 869384, 1086730, 1714840, 2173460, 4346920, 4672939, 9345878, 18691756, 23364695, 37383512, 46729390, 93458780, 186917560]

約数ペア:

[(1, 186917560), (2, 93458780), (4, 46729390), (5, 37383512), (8, 23364695), (10, 18691756), (20, 9345878), (40, 4672939), (43, 4346920), (86, 2173460), (109, 1714840), (172, 1086730), (215, 869384), (218, 857420), (344, 543365), (430, 434692), (436, 428710), (545, 342968), (860, 217346), (872, 214355), (997, 187480), (1090, 171484), (1720, 108673), (1994, 93740), (2180, 85742), (3988, 46870), (4360, 42871), (4687, 39880), (4985, 37496), (7976, 23435), (9374, 19940), (9970, 18748)]