98420840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{351503}}^1$

素因数の和:351521

約数の個数: 32

約数和(自身を含む): 253082880

約数和(自身を除く): 154662040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 351503, 703006, 1406012, 1757515, 2460521, 2812024, 3515030, 4921042, 7030060, 9842084, 12302605, 14060120, 19684168, 24605210, 49210420, 98420840]

約数ペア:

[(1, 98420840), (2, 49210420), (4, 24605210), (5, 19684168), (7, 14060120), (8, 12302605), (10, 9842084), (14, 7030060), (20, 4921042), (28, 3515030), (35, 2812024), (40, 2460521), (56, 1757515), (70, 1406012), (140, 703006), (280, 351503)]