311930416

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:491

約数の個数: 120

約数和(自身を含む): 767450880

約数和(自身を除く): 455520464

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 289, 322, 368, 391, 419, 476, 578, 644, 782, 838, 952, 1156, 1288, 1564, 1676, 1904, 2023, 2312, 2576, 2737, 2933, 3128, 3352, 4046, 4624, 5474, 5866, 6256, 6647, 6704, 7123, 8092, 9637, 10948, 11732, 13294, 14246, 16184, 19274, 21896, 23464, 26588, 28492, 32368, 38548, 43792, 46529, 46928, 49861, 53176, 56984, 67459, 77096, 93058, 99722, 106352, 113968, 121091, 134918, 154192, 163829, 186116, 199444, 242182, 269836, 327658, 372232, 398888, 484364, 539672, 655316, 744464, 797776, 847637, 968728, 1079344, 1146803, 1310632, 1695274, 1937456, 2293606, 2621264, 2785093, 3390548, 4587212, 5570186, 6781096, 9174424, 11140372, 13562192, 18348848, 19495651, 22280744, 38991302, 44561488, 77982604, 155965208, 311930416]

約数ペア:

[(1, 311930416), (2, 155965208), (4, 77982604), (7, 44561488), (8, 38991302), (14, 22280744), (16, 19495651), (17, 18348848), (23, 13562192), (28, 11140372), (34, 9174424), (46, 6781096), (56, 5570186), (68, 4587212), (92, 3390548), (112, 2785093), (119, 2621264), (136, 2293606), (161, 1937456), (184, 1695274), (238, 1310632), (272, 1146803), (289, 1079344), (322, 968728), (368, 847637), (391, 797776), (419, 744464), (476, 655316), (578, 539672), (644, 484364), (782, 398888), (838, 372232), (952, 327658), (1156, 269836), (1288, 242182), (1564, 199444), (1676, 186116), (1904, 163829), (2023, 154192), (2312, 134918), (2576, 121091), (2737, 113968), (2933, 106352), (3128, 99722), (3352, 93058), (4046, 77096), (4624, 67459), (5474, 56984), (5866, 53176), (6256, 49861), (6647, 46928), (6704, 46529), (7123, 43792), (8092, 38548), (9637, 32368), (10948, 28492), (11732, 26588), (13294, 23464), (14246, 21896), (16184, 19274)]