669250010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{487}}^1$

素因数の和:580

約数の個数: 96

約数和(自身を含む): 1465382016

約数和(自身を除く): 796132006

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 487, 682, 715, 806, 961, 974, 1430, 1705, 1922, 2015, 2435, 3410, 4030, 4433, 4805, 4870, 5357, 6331, 8866, 9610, 10571, 10714, 12493, 12662, 15097, 21142, 22165, 24986, 26785, 30194, 31655, 44330, 52855, 53570, 62465, 63310, 69641, 75485, 105710, 124930, 137423, 139282, 150970, 166067, 196261, 274846, 332134, 348205, 392522, 468007, 687115, 696410, 830335, 936014, 981305, 1374230, 1660670, 1962610, 2158871, 2340035, 4317742, 4680070, 5148077, 6084091, 10296154, 10794355, 12168182, 21588710, 25740385, 30420455, 51480770, 60840910, 66925001, 133850002, 334625005, 669250010]

約数ペア:

[(1, 669250010), (2, 334625005), (5, 133850002), (10, 66925001), (11, 60840910), (13, 51480770), (22, 30420455), (26, 25740385), (31, 21588710), (55, 12168182), (62, 10794355), (65, 10296154), (110, 6084091), (130, 5148077), (143, 4680070), (155, 4317742), (286, 2340035), (310, 2158871), (341, 1962610), (403, 1660670), (487, 1374230), (682, 981305), (715, 936014), (806, 830335), (961, 696410), (974, 687115), (1430, 468007), (1705, 392522), (1922, 348205), (2015, 332134), (2435, 274846), (3410, 196261), (4030, 166067), (4433, 150970), (4805, 139282), (4870, 137423), (5357, 124930), (6331, 105710), (8866, 75485), (9610, 69641), (10571, 63310), (10714, 62465), (12493, 53570), (12662, 52855), (15097, 44330), (21142, 31655), (22165, 30194), (24986, 26785)]