408388620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{400381}}^1$

素因数の和:400410

約数の個数: 48

約数和(自身を含む): 1210755168

約数和(自身を除く): 802366548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 400381, 800762, 1201143, 1601524, 2001905, 2402286, 4003810, 4804572, 6005715, 6806477, 8007620, 12011430, 13612954, 20419431, 24022860, 27225908, 34032385, 40838862, 68064770, 81677724, 102097155, 136129540, 204194310, 408388620]

約数ペア:

[(1, 408388620), (2, 204194310), (3, 136129540), (4, 102097155), (5, 81677724), (6, 68064770), (10, 40838862), (12, 34032385), (15, 27225908), (17, 24022860), (20, 20419431), (30, 13612954), (34, 12011430), (51, 8007620), (60, 6806477), (68, 6005715), (85, 4804572), (102, 4003810), (170, 2402286), (204, 2001905), (255, 1601524), (340, 1201143), (510, 800762), (1020, 400381)]