30251800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{419}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 74409300

約数和(自身を除く): 44157500

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 361, 380, 419, 475, 722, 760, 838, 950, 1444, 1676, 1805, 1900, 2095, 2888, 3352, 3610, 3800, 4190, 7220, 7961, 8380, 9025, 10475, 14440, 15922, 16760, 18050, 20950, 31844, 36100, 39805, 41900, 63688, 72200, 79610, 83800, 151259, 159220, 199025, 302518, 318440, 398050, 605036, 756295, 796100, 1210072, 1512590, 1592200, 3025180, 3781475, 6050360, 7562950, 15125900, 30251800]

約数ペア:

[(1, 30251800), (2, 15125900), (4, 7562950), (5, 6050360), (8, 3781475), (10, 3025180), (19, 1592200), (20, 1512590), (25, 1210072), (38, 796100), (40, 756295), (50, 605036), (76, 398050), (95, 318440), (100, 302518), (152, 199025), (190, 159220), (200, 151259), (361, 83800), (380, 79610), (419, 72200), (475, 63688), (722, 41900), (760, 39805), (838, 36100), (950, 31844), (1444, 20950), (1676, 18050), (1805, 16760), (1900, 15922), (2095, 14440), (2888, 10475), (3352, 9025), (3610, 8380), (3800, 7961), (4190, 7220)]