86215730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 172972800

約数和(自身を除く): 86757070

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 109, 115, 181, 190, 218, 230, 362, 437, 545, 874, 905, 1090, 1810, 2071, 2185, 2507, 3439, 4142, 4163, 4370, 5014, 6878, 8326, 10355, 12535, 17195, 19729, 20710, 20815, 25070, 34390, 39458, 41630, 47633, 79097, 95266, 98645, 158194, 197290, 238165, 374851, 395485, 453767, 476330, 749702, 790970, 907534, 1874255, 2268835, 3748510, 4537670, 8621573, 17243146, 43107865, 86215730]

約数ペア:

[(1, 86215730), (2, 43107865), (5, 17243146), (10, 8621573), (19, 4537670), (23, 3748510), (38, 2268835), (46, 1874255), (95, 907534), (109, 790970), (115, 749702), (181, 476330), (190, 453767), (218, 395485), (230, 374851), (362, 238165), (437, 197290), (545, 158194), (874, 98645), (905, 95266), (1090, 79097), (1810, 47633), (2071, 41630), (2185, 39458), (2507, 34390), (3439, 25070), (4142, 20815), (4163, 20710), (4370, 19729), (5014, 17195), (6878, 12535), (8326, 10355)]