160891810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 158442590

約数列:

[1, 2, 5, 10, 19, 38, 43, 47, 86, 94, 95, 190, 215, 235, 419, 430, 470, 817, 838, 893, 1634, 1786, 2021, 2095, 4042, 4085, 4190, 4465, 7961, 8170, 8930, 10105, 15922, 18017, 19693, 20210, 36034, 38399, 39386, 39805, 76798, 79610, 90085, 98465, 180170, 191995, 196930, 342323, 374167, 383990, 684646, 748334, 846799, 1693598, 1711615, 1870835, 3423230, 3741670, 4233995, 8467990, 16089181, 32178362, 80445905, 160891810]

約数ペア:

[(1, 160891810), (2, 80445905), (5, 32178362), (10, 16089181), (19, 8467990), (38, 4233995), (43, 3741670), (47, 3423230), (86, 1870835), (94, 1711615), (95, 1693598), (190, 846799), (215, 748334), (235, 684646), (419, 383990), (430, 374167), (470, 342323), (817, 196930), (838, 191995), (893, 180170), (1634, 98465), (1786, 90085), (2021, 79610), (2095, 76798), (4042, 39805), (4085, 39386), (4190, 38399), (4465, 36034), (7961, 20210), (8170, 19693), (8930, 18017), (10105, 15922)]