420001764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:730

約数の個数: 192

約数和(自身を含む): 1312604160

約数和(自身を除く): 892602396

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 31, 38, 39, 42, 52, 57, 62, 76, 78, 84, 91, 93, 114, 124, 133, 156, 182, 186, 217, 228, 247, 266, 273, 364, 372, 399, 403, 434, 494, 532, 546, 589, 651, 653, 741, 798, 806, 868, 988, 1092, 1178, 1209, 1302, 1306, 1482, 1596, 1612, 1729, 1767, 1959, 2356, 2418, 2604, 2612, 2821, 2964, 3458, 3534, 3918, 4123, 4571, 4836, 5187, 5642, 6916, 7068, 7657, 7836, 8246, 8463, 8489, 9142, 10374, 11284, 12369, 12407, 13713, 15314, 16492, 16926, 16978, 18284, 20243, 20748, 22971, 24738, 24814, 25467, 27426, 30628, 33852, 33956, 37221, 40486, 45942, 49476, 49628, 50934, 53599, 54852, 59423, 60729, 74442, 80972, 86849, 91884, 101868, 107198, 118846, 121458, 141701, 148884, 160797, 161291, 173698, 178269, 214396, 237692, 242916, 260547, 263159, 283402, 321594, 322582, 347396, 356538, 384617, 425103, 483873, 521094, 526318, 566804, 643188, 645164, 713076, 769234, 789477, 850206, 967746, 1042188, 1052636, 1129037, 1153851, 1538468, 1578954, 1700412, 1842113, 1935492, 2258074, 2307702, 2692319, 3157908, 3387111, 3684226, 4516148, 4615404, 5000021, 5384638, 5526339, 6774222, 7368452, 8076957, 10000042, 10769276, 11052678, 13548444, 15000063, 16153914, 20000084, 22105356, 30000126, 32307828, 35000147, 60000252, 70000294, 105000441, 140000588, 210000882, 420001764]

約数ペア:

[(1, 420001764), (2, 210000882), (3, 140000588), (4, 105000441), (6, 70000294), (7, 60000252), (12, 35000147), (13, 32307828), (14, 30000126), (19, 22105356), (21, 20000084), (26, 16153914), (28, 15000063), (31, 13548444), (38, 11052678), (39, 10769276), (42, 10000042), (52, 8076957), (57, 7368452), (62, 6774222), (76, 5526339), (78, 5384638), (84, 5000021), (91, 4615404), (93, 4516148), (114, 3684226), (124, 3387111), (133, 3157908), (156, 2692319), (182, 2307702), (186, 2258074), (217, 1935492), (228, 1842113), (247, 1700412), (266, 1578954), (273, 1538468), (364, 1153851), (372, 1129037), (399, 1052636), (403, 1042188), (434, 967746), (494, 850206), (532, 789477), (546, 769234), (589, 713076), (651, 645164), (653, 643188), (741, 566804), (798, 526318), (806, 521094), (868, 483873), (988, 425103), (1092, 384617), (1178, 356538), (1209, 347396), (1302, 322582), (1306, 321594), (1482, 283402), (1596, 263159), (1612, 260547), (1729, 242916), (1767, 237692), (1959, 214396), (2356, 178269), (2418, 173698), (2604, 161291), (2612, 160797), (2821, 148884), (2964, 141701), (3458, 121458), (3534, 118846), (3918, 107198), (4123, 101868), (4571, 91884), (4836, 86849), (5187, 80972), (5642, 74442), (6916, 60729), (7068, 59423), (7657, 54852), (7836, 53599), (8246, 50934), (8463, 49628), (8489, 49476), (9142, 45942), (10374, 40486), (11284, 37221), (12369, 33956), (12407, 33852), (13713, 30628), (15314, 27426), (16492, 25467), (16926, 24814), (16978, 24738), (18284, 22971), (20243, 20748)]