97802620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 209297088

約数和(自身を除く): 111494468

約数列:

[1, 2, 4, 5, 10, 20, 103, 197, 206, 241, 394, 412, 482, 515, 788, 964, 985, 1030, 1205, 1970, 2060, 2410, 3940, 4820, 20291, 24823, 40582, 47477, 49646, 81164, 94954, 99292, 101455, 124115, 189908, 202910, 237385, 248230, 405820, 474770, 496460, 949540, 4890131, 9780262, 19560524, 24450655, 48901310, 97802620]

約数ペア:

[(1, 97802620), (2, 48901310), (4, 24450655), (5, 19560524), (10, 9780262), (20, 4890131), (103, 949540), (197, 496460), (206, 474770), (241, 405820), (394, 248230), (412, 237385), (482, 202910), (515, 189908), (788, 124115), (964, 101455), (985, 99292), (1030, 94954), (1205, 81164), (1970, 49646), (2060, 47477), (2410, 40582), (3940, 24823), (4820, 20291)]