5161540

素因数分解:

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

素因数の和:109

約数の個数: 72

約数和(自身を含む): 12378240

約数和(自身を除く): 7216700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 47, 68, 76, 85, 94, 95, 170, 188, 190, 235, 289, 323, 340, 380, 470, 578, 646, 799, 893, 940, 1156, 1292, 1445, 1598, 1615, 1786, 2890, 3196, 3230, 3572, 3995, 4465, 5491, 5780, 6460, 7990, 8930, 10982, 13583, 15181, 15980, 17860, 21964, 27166, 27455, 30362, 54332, 54910, 60724, 67915, 75905, 109820, 135830, 151810, 258077, 271660, 303620, 516154, 1032308, 1290385, 2580770, 5161540]

約数ペア:

[(1, 5161540), (2, 2580770), (4, 1290385), (5, 1032308), (10, 516154), (17, 303620), (19, 271660), (20, 258077), (34, 151810), (38, 135830), (47, 109820), (68, 75905), (76, 67915), (85, 60724), (94, 54910), (95, 54332), (170, 30362), (188, 27455), (190, 27166), (235, 21964), (289, 17860), (323, 15980), (340, 15181), (380, 13583), (470, 10982), (578, 8930), (646, 7990), (799, 6460), (893, 5780), (940, 5491), (1156, 4465), (1292, 3995), (1445, 3572), (1598, 3230), (1615, 3196), (1786, 2890)]