253842820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{863}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 668860416

約数和(自身を除く): 415017596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 191, 220, 308, 382, 385, 764, 770, 863, 955, 1337, 1540, 1726, 1910, 2101, 2674, 3452, 3820, 4202, 4315, 5348, 6041, 6685, 8404, 8630, 9493, 10505, 12082, 13370, 14707, 17260, 18986, 21010, 24164, 26740, 29414, 30205, 37972, 42020, 47465, 58828, 60410, 66451, 73535, 94930, 120820, 132902, 147070, 164833, 189860, 265804, 294140, 329666, 332255, 659332, 664510, 824165, 1153831, 1329020, 1648330, 1813163, 2307662, 3296660, 3626326, 4615324, 5769155, 7252652, 9065815, 11538310, 12692141, 18131630, 23076620, 25384282, 36263260, 50768564, 63460705, 126921410, 253842820]

約数ペア:

[(1, 253842820), (2, 126921410), (4, 63460705), (5, 50768564), (7, 36263260), (10, 25384282), (11, 23076620), (14, 18131630), (20, 12692141), (22, 11538310), (28, 9065815), (35, 7252652), (44, 5769155), (55, 4615324), (70, 3626326), (77, 3296660), (110, 2307662), (140, 1813163), (154, 1648330), (191, 1329020), (220, 1153831), (308, 824165), (382, 664510), (385, 659332), (764, 332255), (770, 329666), (863, 294140), (955, 265804), (1337, 189860), (1540, 164833), (1726, 147070), (1910, 132902), (2101, 120820), (2674, 94930), (3452, 73535), (3820, 66451), (4202, 60410), (4315, 58828), (5348, 47465), (6041, 42020), (6685, 37972), (8404, 30205), (8630, 29414), (9493, 26740), (10505, 24164), (12082, 21010), (13370, 18986), (14707, 17260)]