2554420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 6205248

約数和(自身を除く): 3650828

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 683, 748, 935, 1366, 1870, 2732, 3415, 3740, 6830, 7513, 11611, 13660, 15026, 23222, 30052, 37565, 46444, 58055, 75130, 116110, 127721, 150260, 232220, 255442, 510884, 638605, 1277210, 2554420]

約数ペア:

[(1, 2554420), (2, 1277210), (4, 638605), (5, 510884), (10, 255442), (11, 232220), (17, 150260), (20, 127721), (22, 116110), (34, 75130), (44, 58055), (55, 46444), (68, 37565), (85, 30052), (110, 23222), (170, 15026), (187, 13660), (220, 11611), (340, 7513), (374, 6830), (683, 3740), (748, 3415), (935, 2732), (1366, 1870)]