87295580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 197699712

約数和(自身を除く): 110404132

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 223, 230, 370, 446, 460, 529, 740, 851, 892, 1058, 1115, 1702, 2116, 2230, 2645, 3404, 4255, 4460, 5129, 5290, 8251, 8510, 10258, 10580, 16502, 17020, 19573, 20516, 25645, 33004, 39146, 41255, 51290, 78292, 82510, 97865, 102580, 117967, 165020, 189773, 195730, 235934, 379546, 391460, 471868, 589835, 759092, 948865, 1179670, 1897730, 2359340, 3795460, 4364779, 8729558, 17459116, 21823895, 43647790, 87295580]

約数ペア:

[(1, 87295580), (2, 43647790), (4, 21823895), (5, 17459116), (10, 8729558), (20, 4364779), (23, 3795460), (37, 2359340), (46, 1897730), (74, 1179670), (92, 948865), (115, 759092), (148, 589835), (185, 471868), (223, 391460), (230, 379546), (370, 235934), (446, 195730), (460, 189773), (529, 165020), (740, 117967), (851, 102580), (892, 97865), (1058, 82510), (1115, 78292), (1702, 51290), (2116, 41255), (2230, 39146), (2645, 33004), (3404, 25645), (4255, 20516), (4460, 19573), (5129, 17020), (5290, 16502), (8251, 10580), (8510, 10258)]