397368654080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{78853}}^1$

素因数の和:79032

約数の個数: 144

約数和(自身を含む): 990275026944

約数和(自身を除く): 592906372864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 256, 310, 320, 496, 508, 620, 635, 640, 992, 1016, 1240, 1270, 1280, 1984, 2032, 2480, 2540, 3937, 3968, 4064, 4960, 5080, 7874, 7936, 8128, 9920, 10160, 15748, 16256, 19685, 19840, 20320, 31496, 32512, 39370, 39680, 40640, 62992, 78740, 78853, 81280, 125984, 157480, 157706, 162560, 251968, 314960, 315412, 394265, 503936, 629920, 630824, 788530, 1007872, 1259840, 1261648, 1577060, 2444443, 2519680, 2523296, 3154120, 4888886, 5039360, 5046592, 6308240, 9777772, 10014331, 10093184, 12222215, 12616480, 19555544, 20028662, 20186368, 24444430, 25232960, 39111088, 40057324, 48888860, 50071655, 50465920, 78222176, 80114648, 97777720, 100143310, 100931840, 156444352, 160229296, 195555440, 200286620, 310444261, 312888704, 320458592, 391110880, 400573240, 620888522, 625777408, 640917184, 782221760, 801146480, 1241777044, 1281834368, 1552221305, 1564443520, 1602292960, 2483554088, 2563668736, 3104442610, 3128887040, 3204585920, 4967108176, 6208885220, 6409171840, 9934216352, 12417770440, 12818343680, 19868432704, 24835540880, 39736865408, 49671081760, 79473730816, 99342163520, 198684327040, 397368654080]

約数ペア:

[(1, 397368654080), (2, 198684327040), (4, 99342163520), (5, 79473730816), (8, 49671081760), (10, 39736865408), (16, 24835540880), (20, 19868432704), (31, 12818343680), (32, 12417770440), (40, 9934216352), (62, 6409171840), (64, 6208885220), (80, 4967108176), (124, 3204585920), (127, 3128887040), (128, 3104442610), (155, 2563668736), (160, 2483554088), (248, 1602292960), (254, 1564443520), (256, 1552221305), (310, 1281834368), (320, 1241777044), (496, 801146480), (508, 782221760), (620, 640917184), (635, 625777408), (640, 620888522), (992, 400573240), (1016, 391110880), (1240, 320458592), (1270, 312888704), (1280, 310444261), (1984, 200286620), (2032, 195555440), (2480, 160229296), (2540, 156444352), (3937, 100931840), (3968, 100143310), (4064, 97777720), (4960, 80114648), (5080, 78222176), (7874, 50465920), (7936, 50071655), (8128, 48888860), (9920, 40057324), (10160, 39111088), (15748, 25232960), (16256, 24444430), (19685, 20186368), (19840, 20028662), (20320, 19555544), (31496, 12616480), (32512, 12222215), (39370, 10093184), (39680, 10014331), (40640, 9777772), (62992, 6308240), (78740, 5046592), (78853, 5039360), (81280, 4888886), (125984, 3154120), (157480, 2523296), (157706, 2519680), (162560, 2444443), (251968, 1577060), (314960, 1261648), (315412, 1259840), (394265, 1007872), (503936, 788530), (629920, 630824)]