281946140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{6353}}^1$

素因数の和:6686

約数の個数: 48

約数和(自身を含む): 678912192

約数和(自身を除く): 396966052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1585, 2219, 3170, 4438, 6340, 6353, 8876, 11095, 12706, 22190, 25412, 31765, 44380, 44471, 63530, 88942, 127060, 177884, 222355, 444710, 889420, 2013901, 4027802, 8055604, 10069505, 14097307, 20139010, 28194614, 40278020, 56389228, 70486535, 140973070, 281946140]

約数ペア:

[(1, 281946140), (2, 140973070), (4, 70486535), (5, 56389228), (7, 40278020), (10, 28194614), (14, 20139010), (20, 14097307), (28, 10069505), (35, 8055604), (70, 4027802), (140, 2013901), (317, 889420), (634, 444710), (1268, 222355), (1585, 177884), (2219, 127060), (3170, 88942), (4438, 63530), (6340, 44471), (6353, 44380), (8876, 31765), (11095, 25412), (12706, 22190)]