1805173880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{4517}}^1$

素因数の和:4728

約数の個数: 64

約数和(自身を含む): 4144271040

約数和(自身を除く): 2339097160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 103, 194, 206, 388, 412, 485, 515, 776, 824, 970, 1030, 1940, 2060, 3880, 4120, 4517, 9034, 9991, 18068, 19982, 22585, 36136, 39964, 45170, 49955, 79928, 90340, 99910, 180680, 199820, 399640, 438149, 465251, 876298, 930502, 1752596, 1861004, 2190745, 2326255, 3505192, 3722008, 4381490, 4652510, 8762980, 9305020, 17525960, 18610040, 45129347, 90258694, 180517388, 225646735, 361034776, 451293470, 902586940, 1805173880]

約数ペア:

[(1, 1805173880), (2, 902586940), (4, 451293470), (5, 361034776), (8, 225646735), (10, 180517388), (20, 90258694), (40, 45129347), (97, 18610040), (103, 17525960), (194, 9305020), (206, 8762980), (388, 4652510), (412, 4381490), (485, 3722008), (515, 3505192), (776, 2326255), (824, 2190745), (970, 1861004), (1030, 1752596), (1940, 930502), (2060, 876298), (3880, 465251), (4120, 438149), (4517, 399640), (9034, 199820), (9991, 180680), (18068, 99910), (19982, 90340), (22585, 79928), (36136, 49955), (39964, 45170)]