78281770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 172005120

約数和(自身を除く): 93723350

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 157, 170, 238, 314, 419, 595, 785, 838, 1099, 1190, 1570, 2095, 2198, 2669, 2933, 4190, 5338, 5495, 5866, 7123, 10990, 13345, 14246, 14665, 18683, 26690, 29330, 35615, 37366, 49861, 65783, 71230, 93415, 99722, 131566, 186830, 249305, 328915, 460481, 498610, 657830, 920962, 1118311, 2236622, 2302405, 4604810, 5591555, 7828177, 11183110, 15656354, 39140885, 78281770]

約数ペア:

[(1, 78281770), (2, 39140885), (5, 15656354), (7, 11183110), (10, 7828177), (14, 5591555), (17, 4604810), (34, 2302405), (35, 2236622), (70, 1118311), (85, 920962), (119, 657830), (157, 498610), (170, 460481), (238, 328915), (314, 249305), (419, 186830), (595, 131566), (785, 99722), (838, 93415), (1099, 71230), (1190, 65783), (1570, 49861), (2095, 37366), (2198, 35615), (2669, 29330), (2933, 26690), (4190, 18683), (5338, 14665), (5495, 14246), (5866, 13345), (7123, 10990)]