2018197720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:950

約数の個数: 192

約数和(自身を含む): 5791564800

約数和(自身を除く): 3773367080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 121, 140, 142, 154, 220, 242, 280, 284, 308, 355, 385, 440, 484, 497, 568, 605, 616, 710, 770, 781, 839, 847, 968, 994, 1210, 1420, 1540, 1562, 1678, 1694, 1988, 2420, 2485, 2840, 3080, 3124, 3356, 3388, 3905, 3976, 4195, 4235, 4840, 4970, 5467, 5873, 6248, 6712, 6776, 7810, 8390, 8470, 8591, 9229, 9940, 10934, 11746, 15620, 16780, 16940, 17182, 18458, 19880, 21868, 23492, 27335, 29365, 31240, 33560, 33880, 34364, 36916, 42955, 43736, 46145, 46984, 54670, 58730, 59569, 60137, 64603, 68728, 73832, 85910, 92290, 101519, 109340, 117460, 119138, 120274, 129206, 171820, 184580, 203038, 218680, 234920, 238276, 240548, 258412, 297845, 300685, 323015, 343640, 369160, 406076, 416983, 476552, 481096, 507595, 516824, 595690, 601370, 646030, 655259, 710633, 812152, 833966, 1015190, 1191380, 1202740, 1292060, 1310518, 1421266, 1667932, 2030380, 2084915, 2382760, 2405480, 2584120, 2621036, 2842532, 3276295, 3335864, 3553165, 4060760, 4169830, 4586813, 5242072, 5685064, 6552590, 7106330, 7207849, 8339660, 9173626, 13105180, 14212660, 14415698, 16679320, 18347252, 22934065, 26210360, 28425320, 28831396, 36039245, 36694504, 45868130, 50454943, 57662792, 72078490, 91736260, 100909886, 144156980, 183472520, 201819772, 252274715, 288313960, 403639544, 504549430, 1009098860, 2018197720]

約数ペア:

[(1, 2018197720), (2, 1009098860), (4, 504549430), (5, 403639544), (7, 288313960), (8, 252274715), (10, 201819772), (11, 183472520), (14, 144156980), (20, 100909886), (22, 91736260), (28, 72078490), (35, 57662792), (40, 50454943), (44, 45868130), (55, 36694504), (56, 36039245), (70, 28831396), (71, 28425320), (77, 26210360), (88, 22934065), (110, 18347252), (121, 16679320), (140, 14415698), (142, 14212660), (154, 13105180), (220, 9173626), (242, 8339660), (280, 7207849), (284, 7106330), (308, 6552590), (355, 5685064), (385, 5242072), (440, 4586813), (484, 4169830), (497, 4060760), (568, 3553165), (605, 3335864), (616, 3276295), (710, 2842532), (770, 2621036), (781, 2584120), (839, 2405480), (847, 2382760), (968, 2084915), (994, 2030380), (1210, 1667932), (1420, 1421266), (1540, 1310518), (1562, 1292060), (1678, 1202740), (1694, 1191380), (1988, 1015190), (2420, 833966), (2485, 812152), (2840, 710633), (3080, 655259), (3124, 646030), (3356, 601370), (3388, 595690), (3905, 516824), (3976, 507595), (4195, 481096), (4235, 476552), (4840, 416983), (4970, 406076), (5467, 369160), (5873, 343640), (6248, 323015), (6712, 300685), (6776, 297845), (7810, 258412), (8390, 240548), (8470, 238276), (8591, 234920), (9229, 218680), (9940, 203038), (10934, 184580), (11746, 171820), (15620, 129206), (16780, 120274), (16940, 119138), (17182, 117460), (18458, 109340), (19880, 101519), (21868, 92290), (23492, 85910), (27335, 73832), (29365, 68728), (31240, 64603), (33560, 60137), (33880, 59569), (34364, 58730), (36916, 54670), (42955, 46984), (43736, 46145)]