248500010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 505004544

約数和(自身を除く): 256504534

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 107, 110, 214, 215, 430, 473, 491, 535, 946, 982, 1070, 1177, 2354, 2365, 2455, 4601, 4730, 4910, 5401, 5885, 9202, 10802, 11770, 21113, 23005, 27005, 42226, 46010, 50611, 52537, 54010, 101222, 105074, 105565, 211130, 232243, 253055, 262685, 464486, 506110, 525370, 577907, 1155814, 1161215, 2259091, 2322430, 2889535, 4518182, 5779070, 11295455, 22590910, 24850001, 49700002, 124250005, 248500010]

約数ペア:

[(1, 248500010), (2, 124250005), (5, 49700002), (10, 24850001), (11, 22590910), (22, 11295455), (43, 5779070), (55, 4518182), (86, 2889535), (107, 2322430), (110, 2259091), (214, 1161215), (215, 1155814), (430, 577907), (473, 525370), (491, 506110), (535, 464486), (946, 262685), (982, 253055), (1070, 232243), (1177, 211130), (2354, 105565), (2365, 105074), (2455, 101222), (4601, 54010), (4730, 52537), (4910, 50611), (5401, 46010), (5885, 42226), (9202, 27005), (10802, 23005), (11770, 21113)]