3894020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 9335088

約数和(自身を除く): 5441068

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 881, 884, 1105, 1762, 2210, 3524, 4405, 4420, 8810, 11453, 14977, 17620, 22906, 29954, 45812, 57265, 59908, 74885, 114530, 149770, 194701, 229060, 299540, 389402, 778804, 973505, 1947010, 3894020]

約数ペア:

[(1, 3894020), (2, 1947010), (4, 973505), (5, 778804), (10, 389402), (13, 299540), (17, 229060), (20, 194701), (26, 149770), (34, 114530), (52, 74885), (65, 59908), (68, 57265), (85, 45812), (130, 29954), (170, 22906), (221, 17620), (260, 14977), (340, 11453), (442, 8810), (881, 4420), (884, 4405), (1105, 3524), (1762, 2210)]