155382020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{2237}}^1$

素因数の和:2420

約数の個数: 48

約数和(自身を含む): 342897408

約数和(自身を除く): 187515388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 151, 230, 302, 460, 604, 755, 1510, 2237, 3020, 3473, 4474, 6946, 8948, 11185, 13892, 17365, 22370, 34730, 44740, 51451, 69460, 102902, 205804, 257255, 337787, 514510, 675574, 1029020, 1351148, 1688935, 3377870, 6755740, 7769101, 15538202, 31076404, 38845505, 77691010, 155382020]

約数ペア:

[(1, 155382020), (2, 77691010), (4, 38845505), (5, 31076404), (10, 15538202), (20, 7769101), (23, 6755740), (46, 3377870), (92, 1688935), (115, 1351148), (151, 1029020), (230, 675574), (302, 514510), (460, 337787), (604, 257255), (755, 205804), (1510, 102902), (2237, 69460), (3020, 51451), (3473, 44740), (4474, 34730), (6946, 22370), (8948, 17365), (11185, 13892)]