1828540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 4519872

約数和(自身を除く): 2691332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 353, 370, 518, 706, 740, 1036, 1295, 1412, 1765, 2471, 2590, 3530, 4942, 5180, 7060, 9884, 12355, 13061, 24710, 26122, 49420, 52244, 65305, 91427, 130610, 182854, 261220, 365708, 457135, 914270, 1828540]

約数ペア:

[(1, 1828540), (2, 914270), (4, 457135), (5, 365708), (7, 261220), (10, 182854), (14, 130610), (20, 91427), (28, 65305), (35, 52244), (37, 49420), (70, 26122), (74, 24710), (140, 13061), (148, 12355), (185, 9884), (259, 7060), (353, 5180), (370, 4942), (518, 3530), (706, 2590), (740, 2471), (1036, 1765), (1295, 1412)]