208443690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 192

約数和(自身を含む): 689375232

約数和(自身を除く): 480931542

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 31, 35, 39, 42, 45, 62, 63, 65, 70, 78, 90, 91, 93, 105, 117, 126, 130, 155, 182, 186, 195, 210, 217, 234, 273, 279, 310, 315, 390, 403, 434, 455, 465, 546, 558, 585, 630, 651, 806, 819, 821, 910, 930, 1085, 1170, 1209, 1302, 1365, 1395, 1638, 1642, 1953, 2015, 2170, 2418, 2463, 2730, 2790, 2821, 3255, 3627, 3906, 4030, 4095, 4105, 4926, 5642, 5747, 6045, 6510, 7254, 7389, 8190, 8210, 8463, 9765, 10673, 11494, 12090, 12315, 14105, 14778, 16926, 17241, 18135, 19530, 21346, 24630, 25389, 25451, 28210, 28735, 32019, 34482, 36270, 36945, 42315, 50778, 50902, 51723, 53365, 57470, 64038, 73890, 74711, 76353, 84630, 86205, 96057, 103446, 106730, 126945, 127255, 149422, 152706, 160095, 172410, 178157, 192114, 224133, 229059, 253890, 254510, 258615, 320190, 330863, 356314, 373555, 381765, 448266, 458118, 480285, 517230, 534471, 661726, 672399, 747110, 763530, 890785, 960570, 992589, 1068942, 1120665, 1145295, 1344798, 1603413, 1654315, 1781570, 1985178, 2241330, 2290590, 2316041, 2672355, 2977767, 3206826, 3308630, 3361995, 4632082, 4962945, 5344710, 5955534, 6723990, 6948123, 8017065, 9925890, 11580205, 13896246, 14888835, 16034130, 20844369, 23160410, 29777670, 34740615, 41688738, 69481230, 104221845, 208443690]

約数ペア:

[(1, 208443690), (2, 104221845), (3, 69481230), (5, 41688738), (6, 34740615), (7, 29777670), (9, 23160410), (10, 20844369), (13, 16034130), (14, 14888835), (15, 13896246), (18, 11580205), (21, 9925890), (26, 8017065), (30, 6948123), (31, 6723990), (35, 5955534), (39, 5344710), (42, 4962945), (45, 4632082), (62, 3361995), (63, 3308630), (65, 3206826), (70, 2977767), (78, 2672355), (90, 2316041), (91, 2290590), (93, 2241330), (105, 1985178), (117, 1781570), (126, 1654315), (130, 1603413), (155, 1344798), (182, 1145295), (186, 1120665), (195, 1068942), (210, 992589), (217, 960570), (234, 890785), (273, 763530), (279, 747110), (310, 672399), (315, 661726), (390, 534471), (403, 517230), (434, 480285), (455, 458118), (465, 448266), (546, 381765), (558, 373555), (585, 356314), (630, 330863), (651, 320190), (806, 258615), (819, 254510), (821, 253890), (910, 229059), (930, 224133), (1085, 192114), (1170, 178157), (1209, 172410), (1302, 160095), (1365, 152706), (1395, 149422), (1638, 127255), (1642, 126945), (1953, 106730), (2015, 103446), (2170, 96057), (2418, 86205), (2463, 84630), (2730, 76353), (2790, 74711), (2821, 73890), (3255, 64038), (3627, 57470), (3906, 53365), (4030, 51723), (4095, 50902), (4105, 50778), (4926, 42315), (5642, 36945), (5747, 36270), (6045, 34482), (6510, 32019), (7254, 28735), (7389, 28210), (8190, 25451), (8210, 25389), (8463, 24630), (9765, 21346), (10673, 19530), (11494, 18135), (12090, 17241), (12315, 16926), (14105, 14778)]