90621220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1381}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 202689648

約数和(自身を除く): 112068428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 772, 965, 1381, 1930, 2762, 3281, 3860, 5524, 6562, 6905, 13124, 13810, 16405, 23477, 27620, 32810, 46954, 65620, 93908, 117385, 234770, 266533, 469540, 533066, 1066132, 1332665, 2665330, 4531061, 5330660, 9062122, 18124244, 22655305, 45310610, 90621220]

約数ペア:

[(1, 90621220), (2, 45310610), (4, 22655305), (5, 18124244), (10, 9062122), (17, 5330660), (20, 4531061), (34, 2665330), (68, 1332665), (85, 1066132), (170, 533066), (193, 469540), (340, 266533), (386, 234770), (772, 117385), (965, 93908), (1381, 65620), (1930, 46954), (2762, 32810), (3281, 27620), (3860, 23477), (5524, 16405), (6562, 13810), (6905, 13124)]