206740460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{569}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 447582240

約数和(自身を除く): 240841780

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 491, 569, 740, 982, 1138, 1964, 2276, 2455, 2845, 4910, 5690, 9820, 11380, 18167, 21053, 36334, 42106, 72668, 84212, 90835, 105265, 181670, 210530, 279379, 363340, 421060, 558758, 1117516, 1396895, 2793790, 5587580, 10337023, 20674046, 41348092, 51685115, 103370230, 206740460]

約数ペア:

[(1, 206740460), (2, 103370230), (4, 51685115), (5, 41348092), (10, 20674046), (20, 10337023), (37, 5587580), (74, 2793790), (148, 1396895), (185, 1117516), (370, 558758), (491, 421060), (569, 363340), (740, 279379), (982, 210530), (1138, 181670), (1964, 105265), (2276, 90835), (2455, 84212), (2845, 72668), (4910, 42106), (5690, 36334), (9820, 21053), (11380, 18167)]