28522420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 64431360

約数和(自身を除く): 35908940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1597, 1786, 3194, 3572, 4465, 6388, 7985, 8930, 15970, 17860, 30343, 31940, 60686, 75059, 121372, 150118, 151715, 300236, 303430, 375295, 606860, 750590, 1426121, 1501180, 2852242, 5704484, 7130605, 14261210, 28522420]

約数ペア:

[(1, 28522420), (2, 14261210), (4, 7130605), (5, 5704484), (10, 2852242), (19, 1501180), (20, 1426121), (38, 750590), (47, 606860), (76, 375295), (94, 303430), (95, 300236), (188, 151715), (190, 150118), (235, 121372), (380, 75059), (470, 60686), (893, 31940), (940, 30343), (1597, 17860), (1786, 15970), (3194, 8930), (3572, 7985), (4465, 6388)]