38902220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1153}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 93834048

約数和(自身を除く): 54931828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1153, 1205, 1687, 2306, 2410, 3374, 4612, 4820, 5765, 6748, 8071, 8435, 11530, 16142, 16870, 23060, 32284, 33740, 40355, 80710, 161420, 277873, 555746, 1111492, 1389365, 1945111, 2778730, 3890222, 5557460, 7780444, 9725555, 19451110, 38902220]

約数ペア:

[(1, 38902220), (2, 19451110), (4, 9725555), (5, 7780444), (7, 5557460), (10, 3890222), (14, 2778730), (20, 1945111), (28, 1389365), (35, 1111492), (70, 555746), (140, 277873), (241, 161420), (482, 80710), (964, 40355), (1153, 33740), (1205, 32284), (1687, 23060), (2306, 16870), (2410, 16142), (3374, 11530), (4612, 8435), (4820, 8071), (5765, 6748)]