70321580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21839}}^1$

素因数の和:21878

約数の個数: 48

約数和(自身を含む): 176117760

約数和(自身を除く): 105796180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 21839, 43678, 87356, 109195, 152873, 218390, 305746, 436780, 502297, 611492, 764365, 1004594, 1528730, 2009188, 2511485, 3057460, 3516079, 5022970, 7032158, 10045940, 14064316, 17580395, 35160790, 70321580]

約数ペア:

[(1, 70321580), (2, 35160790), (4, 17580395), (5, 14064316), (7, 10045940), (10, 7032158), (14, 5022970), (20, 3516079), (23, 3057460), (28, 2511485), (35, 2009188), (46, 1528730), (70, 1004594), (92, 764365), (115, 611492), (140, 502297), (161, 436780), (230, 305746), (322, 218390), (460, 152873), (644, 109195), (805, 87356), (1610, 43678), (3220, 21839)]