214938140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21799}}^1$

素因数の和:21854

約数の個数: 48

約数和(自身を含む): 494424000

約数和(自身を除く): 279485860

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 21799, 43598, 87196, 108995, 217990, 370583, 435980, 632171, 741166, 1264342, 1482332, 1852915, 2528684, 3160855, 3705830, 6321710, 7411660, 10746907, 12643420, 21493814, 42987628, 53734535, 107469070, 214938140]

約数ペア:

[(1, 214938140), (2, 107469070), (4, 53734535), (5, 42987628), (10, 21493814), (17, 12643420), (20, 10746907), (29, 7411660), (34, 6321710), (58, 3705830), (68, 3160855), (85, 2528684), (116, 1852915), (145, 1482332), (170, 1264342), (290, 741166), (340, 632171), (493, 435980), (580, 370583), (986, 217990), (1972, 108995), (2465, 87196), (4930, 43598), (9860, 21799)]