1720200425

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{97}}^2\times {\mathrm{103}}^1$

素因数の和:378

約数の個数: 36

約数和(自身を含む): 2206840896

約数和(自身を除く): 486640471

約数列:

[1, 5, 25, 71, 97, 103, 355, 485, 515, 1775, 2425, 2575, 6887, 7313, 9409, 9991, 34435, 36565, 47045, 49955, 172175, 182825, 235225, 249775, 668039, 709361, 969127, 3340195, 3546805, 4845635, 16700975, 17734025, 24228175, 68808017, 344040085, 1720200425]

約数ペア:

[(1, 1720200425), (5, 344040085), (25, 68808017), (71, 24228175), (97, 17734025), (103, 16700975), (355, 4845635), (485, 3546805), (515, 3340195), (1775, 969127), (2425, 709361), (2575, 668039), (6887, 249775), (7313, 235225), (9409, 182825), (9991, 172175), (34435, 49955), (36565, 47045)]