840281288

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 2057011200

約数和(自身を除く): 1216729912

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 79, 88, 124, 154, 158, 217, 248, 308, 316, 341, 434, 553, 557, 616, 632, 682, 868, 869, 1106, 1114, 1364, 1736, 1738, 2212, 2228, 2387, 2449, 2728, 3476, 3899, 4424, 4456, 4774, 4898, 6083, 6127, 6952, 7798, 9548, 9796, 12166, 12254, 15596, 17143, 17267, 19096, 19592, 24332, 24508, 26939, 31192, 34286, 34534, 42889, 44003, 48664, 49016, 53878, 68572, 69068, 85778, 88006, 107756, 120869, 137144, 138136, 171556, 176012, 188573, 189937, 215512, 241738, 308021, 343112, 352024, 377146, 379874, 483476, 484033, 616042, 754292, 759748, 966952, 968066, 1232084, 1329559, 1364093, 1508584, 1519496, 1936132, 2464168, 2659118, 2728186, 3388231, 3872264, 5318236, 5456372, 6776462, 9548651, 10636472, 10912744, 13552924, 15005023, 19097302, 27105848, 30010046, 38194604, 60020092, 76389208, 105035161, 120040184, 210070322, 420140644, 840281288]

約数ペア:

[(1, 840281288), (2, 420140644), (4, 210070322), (7, 120040184), (8, 105035161), (11, 76389208), (14, 60020092), (22, 38194604), (28, 30010046), (31, 27105848), (44, 19097302), (56, 15005023), (62, 13552924), (77, 10912744), (79, 10636472), (88, 9548651), (124, 6776462), (154, 5456372), (158, 5318236), (217, 3872264), (248, 3388231), (308, 2728186), (316, 2659118), (341, 2464168), (434, 1936132), (553, 1519496), (557, 1508584), (616, 1364093), (632, 1329559), (682, 1232084), (868, 968066), (869, 966952), (1106, 759748), (1114, 754292), (1364, 616042), (1736, 484033), (1738, 483476), (2212, 379874), (2228, 377146), (2387, 352024), (2449, 343112), (2728, 308021), (3476, 241738), (3899, 215512), (4424, 189937), (4456, 188573), (4774, 176012), (4898, 171556), (6083, 138136), (6127, 137144), (6952, 120869), (7798, 107756), (9548, 88006), (9796, 85778), (12166, 69068), (12254, 68572), (15596, 53878), (17143, 49016), (17267, 48664), (19096, 44003), (19592, 42889), (24332, 34534), (24508, 34286), (26939, 31192)]