201618920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5923}}^1$

素因数の和:5994

約数の個数: 64

約数和(自身を含む): 486241920

約数和(自身を除く): 284623000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 3404, 4255, 5923, 6808, 8510, 11846, 17020, 23692, 29615, 34040, 47384, 59230, 118460, 136229, 219151, 236920, 272458, 438302, 544916, 681145, 876604, 1089832, 1095755, 1362290, 1753208, 2191510, 2724580, 4383020, 5040473, 5449160, 8766040, 10080946, 20161892, 25202365, 40323784, 50404730, 100809460, 201618920]

約数ペア:

[(1, 201618920), (2, 100809460), (4, 50404730), (5, 40323784), (8, 25202365), (10, 20161892), (20, 10080946), (23, 8766040), (37, 5449160), (40, 5040473), (46, 4383020), (74, 2724580), (92, 2191510), (115, 1753208), (148, 1362290), (184, 1095755), (185, 1089832), (230, 876604), (296, 681145), (370, 544916), (460, 438302), (740, 272458), (851, 236920), (920, 219151), (1480, 136229), (1702, 118460), (3404, 59230), (4255, 47384), (5923, 34040), (6808, 29615), (8510, 23692), (11846, 17020)]