15125900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{419}}^1$

素因数の和:471

約数の個数: 54

約数和(自身を含む): 34724340

約数和(自身を除く): 19598440

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 419, 475, 722, 838, 950, 1444, 1676, 1805, 1900, 2095, 3610, 4190, 7220, 7961, 8380, 9025, 10475, 15922, 18050, 20950, 31844, 36100, 39805, 41900, 79610, 151259, 159220, 199025, 302518, 398050, 605036, 756295, 796100, 1512590, 3025180, 3781475, 7562950, 15125900]

約数ペア:

[(1, 15125900), (2, 7562950), (4, 3781475), (5, 3025180), (10, 1512590), (19, 796100), (20, 756295), (25, 605036), (38, 398050), (50, 302518), (76, 199025), (95, 159220), (100, 151259), (190, 79610), (361, 41900), (380, 39805), (419, 36100), (475, 31844), (722, 20950), (838, 18050), (950, 15922), (1444, 10475), (1676, 9025), (1805, 8380), (1900, 7961), (2095, 7220), (3610, 4190)]