4380491540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{17659}}^1$

素因数の和:17904

約数の個数: 48

約数和(自身を含む): 9375340800

約数和(自身を除く): 4994849260

約数列:

[1, 2, 4, 5, 10, 20, 79, 157, 158, 314, 316, 395, 628, 785, 790, 1570, 1580, 3140, 12403, 17659, 24806, 35318, 49612, 62015, 70636, 88295, 124030, 176590, 248060, 353180, 1395061, 2772463, 2790122, 5544926, 5580244, 6975305, 11089852, 13862315, 13950610, 27724630, 27901220, 55449260, 219024577, 438049154, 876098308, 1095122885, 2190245770, 4380491540]

約数ペア:

[(1, 4380491540), (2, 2190245770), (4, 1095122885), (5, 876098308), (10, 438049154), (20, 219024577), (79, 55449260), (157, 27901220), (158, 27724630), (314, 13950610), (316, 13862315), (395, 11089852), (628, 6975305), (785, 5580244), (790, 5544926), (1570, 2790122), (1580, 2772463), (3140, 1395061), (12403, 353180), (17659, 248060), (24806, 176590), (35318, 124030), (49612, 88295), (62015, 70636)]