12903850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 72

約数和(自身を含む): 27408960

約数和(自身を除く): 14505110

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 47, 50, 85, 94, 95, 170, 190, 235, 289, 323, 425, 470, 475, 578, 646, 799, 850, 893, 950, 1175, 1445, 1598, 1615, 1786, 2350, 2890, 3230, 3995, 4465, 5491, 7225, 7990, 8075, 8930, 10982, 13583, 14450, 15181, 16150, 19975, 22325, 27166, 27455, 30362, 39950, 44650, 54910, 67915, 75905, 135830, 137275, 151810, 258077, 274550, 339575, 379525, 516154, 679150, 759050, 1290385, 2580770, 6451925, 12903850]

約数ペア:

[(1, 12903850), (2, 6451925), (5, 2580770), (10, 1290385), (17, 759050), (19, 679150), (25, 516154), (34, 379525), (38, 339575), (47, 274550), (50, 258077), (85, 151810), (94, 137275), (95, 135830), (170, 75905), (190, 67915), (235, 54910), (289, 44650), (323, 39950), (425, 30362), (470, 27455), (475, 27166), (578, 22325), (646, 19975), (799, 16150), (850, 15181), (893, 14450), (950, 13583), (1175, 10982), (1445, 8930), (1598, 8075), (1615, 7990), (1786, 7225), (2350, 5491), (2890, 4465), (3230, 3995)]