238426420

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{19259}}^1$

素因数の和:19887

約数の個数: 24

約数和(自身を含む): 501530400

約数和(自身を除く): 263103980

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 19259, 38518, 77036, 96295, 192590, 385180, 11921321, 23842642, 47685284, 59606605, 119213210, 238426420]

約数ペア:

[(1, 238426420), (2, 119213210), (4, 59606605), (5, 47685284), (10, 23842642), (20, 11921321), (619, 385180), (1238, 192590), (2476, 96295), (3095, 77036), (6190, 38518), (12380, 19259)]