191495990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 447897600

約数和(自身を除く): 256401610

約数列:

[1, 2, 5, 7, 10, 14, 17, 29, 31, 34, 35, 58, 62, 70, 85, 119, 145, 155, 170, 179, 203, 217, 238, 290, 310, 358, 406, 434, 493, 527, 595, 895, 899, 986, 1015, 1054, 1085, 1190, 1253, 1790, 1798, 2030, 2170, 2465, 2506, 2635, 3043, 3451, 3689, 4495, 4930, 5191, 5270, 5549, 6086, 6265, 6293, 6902, 7378, 8990, 10382, 11098, 12530, 12586, 15215, 15283, 17255, 18445, 21301, 25955, 27745, 30430, 30566, 31465, 34510, 36337, 36890, 38843, 42602, 51910, 55490, 62930, 72674, 76415, 77686, 88247, 94333, 106505, 106981, 152830, 160921, 176494, 181685, 188666, 194215, 213010, 213962, 321842, 363370, 388430, 441235, 471665, 534905, 617729, 660331, 804605, 882470, 943330, 1069810, 1126447, 1235458, 1320662, 1609210, 2252894, 2735657, 3088645, 3301655, 5471314, 5632235, 6177290, 6603310, 11264470, 13678285, 19149599, 27356570, 38299198, 95747995, 191495990]

約数ペア:

[(1, 191495990), (2, 95747995), (5, 38299198), (7, 27356570), (10, 19149599), (14, 13678285), (17, 11264470), (29, 6603310), (31, 6177290), (34, 5632235), (35, 5471314), (58, 3301655), (62, 3088645), (70, 2735657), (85, 2252894), (119, 1609210), (145, 1320662), (155, 1235458), (170, 1126447), (179, 1069810), (203, 943330), (217, 882470), (238, 804605), (290, 660331), (310, 617729), (358, 534905), (406, 471665), (434, 441235), (493, 388430), (527, 363370), (595, 321842), (895, 213962), (899, 213010), (986, 194215), (1015, 188666), (1054, 181685), (1085, 176494), (1190, 160921), (1253, 152830), (1790, 106981), (1798, 106505), (2030, 94333), (2170, 88247), (2465, 77686), (2506, 76415), (2635, 72674), (3043, 62930), (3451, 55490), (3689, 51910), (4495, 42602), (4930, 38843), (5191, 36890), (5270, 36337), (5549, 34510), (6086, 31465), (6265, 30566), (6293, 30430), (6902, 27745), (7378, 25955), (8990, 21301), (10382, 18445), (11098, 17255), (12530, 15283), (12586, 15215)]