266502860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{2131}}^1$

素因数の和:2203

約数の個数: 72

約数和(自身を含む): 622688976

約数和(自身を除く): 356186116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 260, 338, 370, 481, 676, 740, 845, 962, 1690, 1924, 2131, 2405, 3380, 4262, 4810, 6253, 8524, 9620, 10655, 12506, 21310, 25012, 27703, 31265, 42620, 55406, 62530, 78847, 110812, 125060, 138515, 157694, 277030, 315388, 360139, 394235, 554060, 720278, 788470, 1025011, 1440556, 1576940, 1800695, 2050022, 3601390, 4100044, 5125055, 7202780, 10250110, 13325143, 20500220, 26650286, 53300572, 66625715, 133251430, 266502860]

約数ペア:

[(1, 266502860), (2, 133251430), (4, 66625715), (5, 53300572), (10, 26650286), (13, 20500220), (20, 13325143), (26, 10250110), (37, 7202780), (52, 5125055), (65, 4100044), (74, 3601390), (130, 2050022), (148, 1800695), (169, 1576940), (185, 1440556), (260, 1025011), (338, 788470), (370, 720278), (481, 554060), (676, 394235), (740, 360139), (845, 315388), (962, 277030), (1690, 157694), (1924, 138515), (2131, 125060), (2405, 110812), (3380, 78847), (4262, 62530), (4810, 55406), (6253, 42620), (8524, 31265), (9620, 27703), (10655, 25012), (12506, 21310)]