28805070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1879}}^1$

素因数の和:1969

約数の個数: 64

約数和(自身を含む): 80133120

約数和(自身を除く): 51328050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1533, 1879, 2190, 2555, 3066, 3758, 5110, 5637, 7665, 9395, 11274, 13153, 15330, 18790, 26306, 28185, 39459, 56370, 65765, 78918, 131530, 137167, 197295, 274334, 394590, 411501, 685835, 823002, 960169, 1371670, 1920338, 2057505, 2880507, 4115010, 4800845, 5761014, 9601690, 14402535, 28805070]

約数ペア:

[(1, 28805070), (2, 14402535), (3, 9601690), (5, 5761014), (6, 4800845), (7, 4115010), (10, 2880507), (14, 2057505), (15, 1920338), (21, 1371670), (30, 960169), (35, 823002), (42, 685835), (70, 411501), (73, 394590), (105, 274334), (146, 197295), (210, 137167), (219, 131530), (365, 78918), (438, 65765), (511, 56370), (730, 39459), (1022, 28185), (1095, 26306), (1533, 18790), (1879, 15330), (2190, 13153), (2555, 11274), (3066, 9395), (3758, 7665), (5110, 5637)]