6399890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 13801752

約数和(自身を除く): 7401862

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 353, 370, 490, 518, 706, 1295, 1765, 1813, 2471, 2590, 3530, 3626, 4942, 9065, 12355, 13061, 17297, 18130, 24710, 26122, 34594, 65305, 86485, 91427, 130610, 172970, 182854, 457135, 639989, 914270, 1279978, 3199945, 6399890]

約数ペア:

[(1, 6399890), (2, 3199945), (5, 1279978), (7, 914270), (10, 639989), (14, 457135), (35, 182854), (37, 172970), (49, 130610), (70, 91427), (74, 86485), (98, 65305), (185, 34594), (245, 26122), (259, 24710), (353, 18130), (370, 17297), (490, 13061), (518, 12355), (706, 9065), (1295, 4942), (1765, 3626), (1813, 3530), (2471, 2590)]