747396520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1437301}}^1$

素因数の和:1437325

約数の個数: 32

約数和(自身を含む): 1811000520

約数和(自身を除く): 1063604000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1437301, 2874602, 5749204, 7186505, 11498408, 14373010, 18684913, 28746020, 37369826, 57492040, 74739652, 93424565, 149479304, 186849130, 373698260, 747396520]

約数ペア:

[(1, 747396520), (2, 373698260), (4, 186849130), (5, 149479304), (8, 93424565), (10, 74739652), (13, 57492040), (20, 37369826), (26, 28746020), (40, 18684913), (52, 14373010), (65, 11498408), (104, 7186505), (130, 5749204), (260, 2874602), (520, 1437301)]