242569720

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{14827}}^1$

素因数の和:15247

約数の個数: 32

約数和(自身を含む): 547153200

約数和(自身を除く): 304583480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 14827, 16360, 29654, 59308, 74135, 118616, 148270, 296540, 593080, 6064243, 12128486, 24256972, 30321215, 48513944, 60642430, 121284860, 242569720]

約数ペア:

[(1, 242569720), (2, 121284860), (4, 60642430), (5, 48513944), (8, 30321215), (10, 24256972), (20, 12128486), (40, 6064243), (409, 593080), (818, 296540), (1636, 148270), (2045, 118616), (3272, 74135), (4090, 59308), (8180, 29654), (14827, 16360)]