4625020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 10499328

約数和(自身を除く): 5874308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 223, 244, 305, 340, 446, 610, 892, 1037, 1115, 1220, 2074, 2230, 3791, 4148, 4460, 5185, 7582, 10370, 13603, 15164, 18955, 20740, 27206, 37910, 54412, 68015, 75820, 136030, 231251, 272060, 462502, 925004, 1156255, 2312510, 4625020]

約数ペア:

[(1, 4625020), (2, 2312510), (4, 1156255), (5, 925004), (10, 462502), (17, 272060), (20, 231251), (34, 136030), (61, 75820), (68, 68015), (85, 54412), (122, 37910), (170, 27206), (223, 20740), (244, 18955), (305, 15164), (340, 13603), (446, 10370), (610, 7582), (892, 5185), (1037, 4460), (1115, 4148), (1220, 3791), (2074, 2230)]