9869900

素因数分解:

$2^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 21561120

約数和(自身を除く): 11691220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 229, 431, 458, 862, 916, 1145, 1724, 2155, 2290, 4310, 4580, 5725, 8620, 10775, 11450, 21550, 22900, 43100, 98699, 197398, 394796, 493495, 986990, 1973980, 2467475, 4934950, 9869900]

約数ペア:

[(1, 9869900), (2, 4934950), (4, 2467475), (5, 1973980), (10, 986990), (20, 493495), (25, 394796), (50, 197398), (100, 98699), (229, 43100), (431, 22900), (458, 21550), (862, 11450), (916, 10775), (1145, 8620), (1724, 5725), (2155, 4580), (2290, 4310)]