2218217500

素因数分解:

$2^2\times 5^4\times {\mathrm{71}}^1\times {\mathrm{12497}}^1$

素因数の和:12592

約数の個数: 60

約数和(自身を含む): 4919512752

約数和(自身を除く): 2701295252

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 625, 710, 1250, 1420, 1775, 2500, 3550, 7100, 8875, 12497, 17750, 24994, 35500, 44375, 49988, 62485, 88750, 124970, 177500, 249940, 312425, 624850, 887287, 1249700, 1562125, 1774574, 3124250, 3549148, 4436435, 6248500, 7810625, 8872870, 15621250, 17745740, 22182175, 31242500, 44364350, 88728700, 110910875, 221821750, 443643500, 554554375, 1109108750, 2218217500]

約数ペア:

[(1, 2218217500), (2, 1109108750), (4, 554554375), (5, 443643500), (10, 221821750), (20, 110910875), (25, 88728700), (50, 44364350), (71, 31242500), (100, 22182175), (125, 17745740), (142, 15621250), (250, 8872870), (284, 7810625), (355, 6248500), (500, 4436435), (625, 3549148), (710, 3124250), (1250, 1774574), (1420, 1562125), (1775, 1249700), (2500, 887287), (3550, 624850), (7100, 312425), (8875, 249940), (12497, 177500), (17750, 124970), (24994, 88750), (35500, 62485), (44375, 49988)]