269983340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1277}}^1$

素因数の和:1359

約数の個数: 72

約数和(自身を含む): 639603216

約数和(自身を除く): 369619876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 961, 1277, 1364, 1705, 1922, 2554, 3410, 3844, 4805, 5108, 6385, 6820, 9610, 10571, 12770, 14047, 19220, 21142, 25540, 28094, 39587, 42284, 52855, 56188, 70235, 79174, 105710, 140470, 158348, 197935, 211420, 280940, 395870, 435457, 791740, 870914, 1227197, 1741828, 2177285, 2454394, 4354570, 4908788, 6135985, 8709140, 12271970, 13499167, 24543940, 26998334, 53996668, 67495835, 134991670, 269983340]

約数ペア:

[(1, 269983340), (2, 134991670), (4, 67495835), (5, 53996668), (10, 26998334), (11, 24543940), (20, 13499167), (22, 12271970), (31, 8709140), (44, 6135985), (55, 4908788), (62, 4354570), (110, 2454394), (124, 2177285), (155, 1741828), (220, 1227197), (310, 870914), (341, 791740), (620, 435457), (682, 395870), (961, 280940), (1277, 211420), (1364, 197935), (1705, 158348), (1922, 140470), (2554, 105710), (3410, 79174), (3844, 70235), (4805, 56188), (5108, 52855), (6385, 42284), (6820, 39587), (9610, 28094), (10571, 25540), (12770, 21142), (14047, 19220)]