205963660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2879}}^1$

素因数の和:2975

約数の個数: 72

約数和(自身を含む): 510209280

約数和(自身を除く): 304245620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2555, 2879, 3577, 5110, 5758, 7154, 10220, 11516, 14308, 14395, 17885, 20153, 28790, 35770, 40306, 57580, 71540, 80612, 100765, 141071, 201530, 210167, 282142, 403060, 420334, 564284, 705355, 840668, 1050835, 1410710, 1471169, 2101670, 2821420, 2942338, 4203340, 5884676, 7355845, 10298183, 14711690, 20596366, 29423380, 41192732, 51490915, 102981830, 205963660]

約数ペア:

[(1, 205963660), (2, 102981830), (4, 51490915), (5, 41192732), (7, 29423380), (10, 20596366), (14, 14711690), (20, 10298183), (28, 7355845), (35, 5884676), (49, 4203340), (70, 2942338), (73, 2821420), (98, 2101670), (140, 1471169), (146, 1410710), (196, 1050835), (245, 840668), (292, 705355), (365, 564284), (490, 420334), (511, 403060), (730, 282142), (980, 210167), (1022, 201530), (1460, 141071), (2044, 100765), (2555, 80612), (2879, 71540), (3577, 57580), (5110, 40306), (5758, 35770), (7154, 28790), (10220, 20153), (11516, 17885), (14308, 14395)]