85768660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 201801600

約数和(自身を除く): 116032940

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 43, 58, 76, 86, 95, 116, 145, 172, 181, 190, 215, 290, 362, 380, 430, 551, 580, 724, 817, 860, 905, 1102, 1247, 1634, 1810, 2204, 2494, 2755, 3268, 3439, 3620, 4085, 4988, 5249, 5510, 6235, 6878, 7783, 8170, 10498, 11020, 12470, 13756, 15566, 16340, 17195, 20996, 23693, 24940, 26245, 31132, 34390, 38915, 47386, 52490, 68780, 77830, 94772, 99731, 104980, 118465, 147877, 155660, 199462, 225707, 236930, 295754, 398924, 451414, 473860, 498655, 591508, 739385, 902828, 997310, 1128535, 1478770, 1994620, 2257070, 2957540, 4288433, 4514140, 8576866, 17153732, 21442165, 42884330, 85768660]

約数ペア:

[(1, 85768660), (2, 42884330), (4, 21442165), (5, 17153732), (10, 8576866), (19, 4514140), (20, 4288433), (29, 2957540), (38, 2257070), (43, 1994620), (58, 1478770), (76, 1128535), (86, 997310), (95, 902828), (116, 739385), (145, 591508), (172, 498655), (181, 473860), (190, 451414), (215, 398924), (290, 295754), (362, 236930), (380, 225707), (430, 199462), (551, 155660), (580, 147877), (724, 118465), (817, 104980), (860, 99731), (905, 94772), (1102, 77830), (1247, 68780), (1634, 52490), (1810, 47386), (2204, 38915), (2494, 34390), (2755, 31132), (3268, 26245), (3439, 24940), (3620, 23693), (4085, 20996), (4988, 17195), (5249, 16340), (5510, 15566), (6235, 13756), (6878, 12470), (7783, 11020), (8170, 10498)]