259780640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{231947}}^1$

素因数の和:231969

約数の個数: 48

約数和(自身を含む): 701410752

約数和(自身を除く): 441630112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 231947, 463894, 927788, 1159735, 1623629, 1855576, 2319470, 3247258, 3711152, 4638940, 6494516, 7422304, 8118145, 9277880, 12989032, 16236290, 18555760, 25978064, 32472580, 37111520, 51956128, 64945160, 129890320, 259780640]

約数ペア:

[(1, 259780640), (2, 129890320), (4, 64945160), (5, 51956128), (7, 37111520), (8, 32472580), (10, 25978064), (14, 18555760), (16, 16236290), (20, 12989032), (28, 9277880), (32, 8118145), (35, 7422304), (40, 6494516), (56, 4638940), (70, 3711152), (80, 3247258), (112, 2319470), (140, 1855576), (160, 1623629), (224, 1159735), (280, 927788), (560, 463894), (1120, 231947)]