7491770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 64

約数和(自身を含む): 16450560

約数和(自身を除く): 8958790

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 169, 286, 310, 338, 341, 403, 682, 715, 806, 845, 1430, 1690, 1705, 1859, 2015, 2197, 3410, 3718, 4030, 4394, 4433, 5239, 8866, 9295, 10478, 10985, 18590, 21970, 22165, 24167, 26195, 44330, 48334, 52390, 57629, 68107, 115258, 120835, 136214, 241670, 288145, 340535, 576290, 681070, 749177, 1498354, 3745885, 7491770]

約数ペア:

[(1, 7491770), (2, 3745885), (5, 1498354), (10, 749177), (11, 681070), (13, 576290), (22, 340535), (26, 288145), (31, 241670), (55, 136214), (62, 120835), (65, 115258), (110, 68107), (130, 57629), (143, 52390), (155, 48334), (169, 44330), (286, 26195), (310, 24167), (338, 22165), (341, 21970), (403, 18590), (682, 10985), (715, 10478), (806, 9295), (845, 8866), (1430, 5239), (1690, 4433), (1705, 4394), (1859, 4030), (2015, 3718), (2197, 3410)]