129628240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{231479}}^1$

素因数の和:231499

約数の個数: 40

約数和(自身を含む): 344442240

約数和(自身を除く): 214814000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 231479, 462958, 925916, 1157395, 1620353, 1851832, 2314790, 3240706, 3703664, 4629580, 6481412, 8101765, 9259160, 12962824, 16203530, 18518320, 25925648, 32407060, 64814120, 129628240]

約数ペア:

[(1, 129628240), (2, 64814120), (4, 32407060), (5, 25925648), (7, 18518320), (8, 16203530), (10, 12962824), (14, 9259160), (16, 8101765), (20, 6481412), (28, 4629580), (35, 3703664), (40, 3240706), (56, 2314790), (70, 1851832), (80, 1620353), (112, 1157395), (140, 925916), (280, 462958), (560, 231479)]