409208020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{92581}}^1$

素因数の和:92620

約数の個数: 48

約数和(自身を含む): 979887888

約数和(自身を除く): 570679868

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 92581, 185162, 370324, 462905, 925810, 1203553, 1573877, 1851620, 2407106, 3147754, 4814212, 6017765, 6295508, 7869385, 12035530, 15738770, 20460401, 24071060, 31477540, 40920802, 81841604, 102302005, 204604010, 409208020]

約数ペア:

[(1, 409208020), (2, 204604010), (4, 102302005), (5, 81841604), (10, 40920802), (13, 31477540), (17, 24071060), (20, 20460401), (26, 15738770), (34, 12035530), (52, 7869385), (65, 6295508), (68, 6017765), (85, 4814212), (130, 3147754), (170, 2407106), (221, 1851620), (260, 1573877), (340, 1203553), (442, 925810), (884, 462905), (1105, 370324), (2210, 185162), (4420, 92581)]