4002820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 9093168

約数和(自身を除く): 5090348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 193, 244, 305, 340, 386, 610, 772, 965, 1037, 1220, 1930, 2074, 3281, 3860, 4148, 5185, 6562, 10370, 11773, 13124, 16405, 20740, 23546, 32810, 47092, 58865, 65620, 117730, 200141, 235460, 400282, 800564, 1000705, 2001410, 4002820]

約数ペア:

[(1, 4002820), (2, 2001410), (4, 1000705), (5, 800564), (10, 400282), (17, 235460), (20, 200141), (34, 117730), (61, 65620), (68, 58865), (85, 47092), (122, 32810), (170, 23546), (193, 20740), (244, 16405), (305, 13124), (340, 11773), (386, 10370), (610, 6562), (772, 5185), (965, 4148), (1037, 3860), (1220, 3281), (1930, 2074)]