203208980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{1019}}^1$

素因数の和:1113

約数の個数: 72

約数和(自身を含む): 470383200

約数和(自身を除く): 267174220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 169, 236, 260, 295, 338, 590, 676, 767, 845, 1019, 1180, 1534, 1690, 2038, 3068, 3380, 3835, 4076, 5095, 7670, 9971, 10190, 13247, 15340, 19942, 20380, 26494, 39884, 49855, 52988, 60121, 66235, 99710, 120242, 132470, 172211, 199420, 240484, 264940, 300605, 344422, 601210, 688844, 781573, 861055, 1202420, 1563146, 1722110, 3126292, 3444220, 3907865, 7815730, 10160449, 15631460, 20320898, 40641796, 50802245, 101604490, 203208980]

約数ペア:

[(1, 203208980), (2, 101604490), (4, 50802245), (5, 40641796), (10, 20320898), (13, 15631460), (20, 10160449), (26, 7815730), (52, 3907865), (59, 3444220), (65, 3126292), (118, 1722110), (130, 1563146), (169, 1202420), (236, 861055), (260, 781573), (295, 688844), (338, 601210), (590, 344422), (676, 300605), (767, 264940), (845, 240484), (1019, 199420), (1180, 172211), (1534, 132470), (1690, 120242), (2038, 99710), (3068, 66235), (3380, 60121), (3835, 52988), (4076, 49855), (5095, 39884), (7670, 26494), (9971, 20380), (10190, 19942), (13247, 15340)]