2018030870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 3827699712

約数和(自身を除く): 1809668842

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 277, 310, 331, 355, 554, 662, 710, 1385, 1655, 2201, 2770, 3310, 4402, 8587, 10261, 11005, 17174, 19667, 20522, 22010, 23501, 39334, 42935, 47002, 51305, 85870, 91687, 98335, 102610, 117505, 183374, 196670, 235010, 458435, 609677, 728531, 916870, 1219354, 1457062, 2842297, 3048385, 3642655, 5684594, 6096770, 6509777, 7285310, 13019554, 14211485, 28422970, 32548885, 65097770, 201803087, 403606174, 1009015435, 2018030870]

約数ペア:

[(1, 2018030870), (2, 1009015435), (5, 403606174), (10, 201803087), (31, 65097770), (62, 32548885), (71, 28422970), (142, 14211485), (155, 13019554), (277, 7285310), (310, 6509777), (331, 6096770), (355, 5684594), (554, 3642655), (662, 3048385), (710, 2842297), (1385, 1457062), (1655, 1219354), (2201, 916870), (2770, 728531), (3310, 609677), (4402, 458435), (8587, 235010), (10261, 196670), (11005, 183374), (17174, 117505), (19667, 102610), (20522, 98335), (22010, 91687), (23501, 85870), (39334, 51305), (42935, 47002)]