419921810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:360

約数の個数: 128

約数和(自身を含む): 996323328

約数和(自身を除く): 576401518

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 131, 154, 161, 181, 230, 253, 262, 322, 362, 385, 506, 655, 770, 805, 905, 917, 1265, 1267, 1310, 1441, 1610, 1771, 1810, 1834, 1991, 2530, 2534, 2882, 3013, 3542, 3982, 4163, 4585, 6026, 6335, 7205, 8326, 8855, 9170, 9955, 10087, 12670, 13937, 14410, 15065, 17710, 19910, 20174, 20815, 21091, 23711, 27874, 29141, 30130, 33143, 41630, 42182, 45793, 47422, 50435, 58282, 66286, 69685, 91586, 100870, 105455, 118555, 139370, 145705, 165715, 165977, 210910, 228965, 232001, 237110, 260821, 291410, 320551, 331430, 331954, 457930, 464002, 521642, 545353, 641102, 829885, 1090706, 1160005, 1304105, 1602755, 1659770, 1825747, 2320010, 2608210, 2726765, 3205510, 3651494, 3817471, 5453530, 5998883, 7634942, 9128735, 11997766, 18257470, 19087355, 29994415, 38174710, 41992181, 59988830, 83984362, 209960905, 419921810]

約数ペア:

[(1, 419921810), (2, 209960905), (5, 83984362), (7, 59988830), (10, 41992181), (11, 38174710), (14, 29994415), (22, 19087355), (23, 18257470), (35, 11997766), (46, 9128735), (55, 7634942), (70, 5998883), (77, 5453530), (110, 3817471), (115, 3651494), (131, 3205510), (154, 2726765), (161, 2608210), (181, 2320010), (230, 1825747), (253, 1659770), (262, 1602755), (322, 1304105), (362, 1160005), (385, 1090706), (506, 829885), (655, 641102), (770, 545353), (805, 521642), (905, 464002), (917, 457930), (1265, 331954), (1267, 331430), (1310, 320551), (1441, 291410), (1610, 260821), (1771, 237110), (1810, 232001), (1834, 228965), (1991, 210910), (2530, 165977), (2534, 165715), (2882, 145705), (3013, 139370), (3542, 118555), (3982, 105455), (4163, 100870), (4585, 91586), (6026, 69685), (6335, 66286), (7205, 58282), (8326, 50435), (8855, 47422), (9170, 45793), (9955, 42182), (10087, 41630), (12670, 33143), (13937, 30130), (14410, 29141), (15065, 27874), (17710, 23711), (19910, 21091), (20174, 20815)]