427745990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{872951}}^1$

素因数の和:872972

約数の個数: 24

約数和(自身を含む): 895648752

約数和(自身を除く): 467902762

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 872951, 1745902, 4364755, 6110657, 8729510, 12221314, 30553285, 42774599, 61106570, 85549198, 213872995, 427745990]

約数ペア:

[(1, 427745990), (2, 213872995), (5, 85549198), (7, 61106570), (10, 42774599), (14, 30553285), (35, 12221314), (49, 8729510), (70, 6110657), (98, 4364755), (245, 1745902), (490, 872951)]