201899900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{65129}}^1$

素因数の和:65174

約数の個数: 36

約数和(自身を含む): 452262720

約数和(自身を除く): 250362820

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 65129, 130258, 260516, 325645, 651290, 1302580, 1628225, 2018999, 3256450, 4037998, 6512900, 8075996, 10094995, 20189990, 40379980, 50474975, 100949950, 201899900]

約数ペア:

[(1, 201899900), (2, 100949950), (4, 50474975), (5, 40379980), (10, 20189990), (20, 10094995), (25, 8075996), (31, 6512900), (50, 4037998), (62, 3256450), (100, 2018999), (124, 1628225), (155, 1302580), (310, 651290), (620, 325645), (775, 260516), (1550, 130258), (3100, 65129)]