740639490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{1949}}^1$

素因数の和:2251

約数の個数: 64

約数和(自身を含む): 1819584000

約数和(自身を除く): 1078944510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 239, 265, 318, 478, 530, 717, 795, 1195, 1434, 1590, 1949, 2390, 3585, 3898, 5847, 7170, 9745, 11694, 12667, 19490, 25334, 29235, 38001, 58470, 63335, 76002, 103297, 126670, 190005, 206594, 309891, 380010, 465811, 516485, 619782, 931622, 1032970, 1397433, 1549455, 2329055, 2794866, 3098910, 4658110, 6987165, 13974330, 24687983, 49375966, 74063949, 123439915, 148127898, 246879830, 370319745, 740639490]

約数ペア:

[(1, 740639490), (2, 370319745), (3, 246879830), (5, 148127898), (6, 123439915), (10, 74063949), (15, 49375966), (30, 24687983), (53, 13974330), (106, 6987165), (159, 4658110), (239, 3098910), (265, 2794866), (318, 2329055), (478, 1549455), (530, 1397433), (717, 1032970), (795, 931622), (1195, 619782), (1434, 516485), (1590, 465811), (1949, 380010), (2390, 309891), (3585, 206594), (3898, 190005), (5847, 126670), (7170, 103297), (9745, 76002), (11694, 63335), (12667, 58470), (19490, 38001), (25334, 29235)]