745170140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{260549}}^1$

素因数の和:260582

約数の個数: 48

約数和(自身を含む): 1838440800

約数和(自身を除く): 1093270660

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 260549, 521098, 1042196, 1302745, 2605490, 2866039, 3387137, 5210980, 5732078, 6774274, 11464156, 13548548, 14330195, 16935685, 28660390, 33871370, 37258507, 57320780, 67742740, 74517014, 149034028, 186292535, 372585070, 745170140]

約数ペア:

[(1, 745170140), (2, 372585070), (4, 186292535), (5, 149034028), (10, 74517014), (11, 67742740), (13, 57320780), (20, 37258507), (22, 33871370), (26, 28660390), (44, 16935685), (52, 14330195), (55, 13548548), (65, 11464156), (110, 6774274), (130, 5732078), (143, 5210980), (220, 3387137), (260, 2866039), (286, 2605490), (572, 1302745), (715, 1042196), (1430, 521098), (2860, 260549)]