129675280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{231563}}^1$

素因数の和:231583

約数の個数: 40

約数和(自身を含む): 344567232

約数和(自身を除く): 214891952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 231563, 463126, 926252, 1157815, 1620941, 1852504, 2315630, 3241882, 3705008, 4631260, 6483764, 8104705, 9262520, 12967528, 16209410, 18525040, 25935056, 32418820, 64837640, 129675280]

約数ペア:

[(1, 129675280), (2, 64837640), (4, 32418820), (5, 25935056), (7, 18525040), (8, 16209410), (10, 12967528), (14, 9262520), (16, 8104705), (20, 6483764), (28, 4631260), (35, 3705008), (40, 3241882), (56, 2315630), (70, 1852504), (80, 1620941), (112, 1157815), (140, 926252), (280, 463126), (560, 231563)]