617680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1103}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 1642752

約数和(自身を除く): 1025072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1103, 2206, 4412, 5515, 7721, 8824, 11030, 15442, 17648, 22060, 30884, 38605, 44120, 61768, 77210, 88240, 123536, 154420, 308840, 617680]

約数ペア:

[(1, 617680), (2, 308840), (4, 154420), (5, 123536), (7, 88240), (8, 77210), (10, 61768), (14, 44120), (16, 38605), (20, 30884), (28, 22060), (35, 17648), (40, 15442), (56, 11030), (70, 8824), (80, 7721), (112, 5515), (140, 4412), (280, 2206), (560, 1103)]