89782030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 185149440

約数和(自身を除く): 95367410

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 163, 190, 223, 247, 326, 446, 494, 815, 1115, 1235, 1630, 2119, 2230, 2470, 2899, 3097, 4237, 4238, 5798, 6194, 8474, 10595, 14495, 15485, 21185, 21190, 28990, 30970, 36349, 40261, 42370, 55081, 72698, 80522, 110162, 181745, 201305, 275405, 363490, 402610, 472537, 550810, 690631, 945074, 1381262, 2362685, 3453155, 4725370, 6906310, 8978203, 17956406, 44891015, 89782030]

約数ペア:

[(1, 89782030), (2, 44891015), (5, 17956406), (10, 8978203), (13, 6906310), (19, 4725370), (26, 3453155), (38, 2362685), (65, 1381262), (95, 945074), (130, 690631), (163, 550810), (190, 472537), (223, 402610), (247, 363490), (326, 275405), (446, 201305), (494, 181745), (815, 110162), (1115, 80522), (1235, 72698), (1630, 55081), (2119, 42370), (2230, 40261), (2470, 36349), (2899, 30970), (3097, 28990), (4237, 21190), (4238, 21185), (5798, 15485), (6194, 14495), (8474, 10595)]