201219100

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{17807}}^1$

素因数の和:17934

約数の個数: 36

約数和(自身を含む): 440534304

約数和(自身を除く): 239315204

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 2260, 2825, 5650, 11300, 17807, 35614, 71228, 89035, 178070, 356140, 445175, 890350, 1780700, 2012191, 4024382, 8048764, 10060955, 20121910, 40243820, 50304775, 100609550, 201219100]

約数ペア:

[(1, 201219100), (2, 100609550), (4, 50304775), (5, 40243820), (10, 20121910), (20, 10060955), (25, 8048764), (50, 4024382), (100, 2012191), (113, 1780700), (226, 890350), (452, 445175), (565, 356140), (1130, 178070), (2260, 89035), (2825, 71228), (5650, 35614), (11300, 17807)]