290907134720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{57727}}^1$

素因数の和:57906

約数の個数: 144

約数和(自身を含む): 724967620608

約数和(自身を除く): 434060485888

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, 57727, 62992, 78740, 81280, 115454, 125984, 157480, 162560, 230908, 251968, 288635, 314960, 461816, 503936, 577270, 629920, 923632, 1007872, 1154540, 1259840, 1789537, 1847264, 2309080, 2519680, 3579074, 3694528, 4618160, 5039360, 7158148, 7331329, 7389056, 8947685, 9236320, 14316296, 14662658, 14778112, 17895370, 18472640, 28632592, 29325316, 35790740, 36656645, 36945280, 57265184, 58650632, 71581480, 73313290, 73890560, 114530368, 117301264, 143162960, 146626580, 227271199, 229060736, 234602528, 286325920, 293253160, 454542398, 458121472, 469205056, 572651840, 586506320, 909084796, 938410112, 1136355995, 1145303680, 1173012640, 1818169592, 1876820224, 2272711990, 2290607360, 2346025280, 3636339184, 4545423980, 4692050560, 7272678368, 9090847960, 9384101120, 14545356736, 18181695920, 29090713472, 36363391840, 58181426944, 72726783680, 145453567360, 290907134720]

約数ペア:

[(1, 290907134720), (2, 145453567360), (4, 72726783680), (5, 58181426944), (8, 36363391840), (10, 29090713472), (16, 18181695920), (20, 14545356736), (31, 9384101120), (32, 9090847960), (40, 7272678368), (62, 4692050560), (64, 4545423980), (80, 3636339184), (124, 2346025280), (127, 2290607360), (128, 2272711990), (155, 1876820224), (160, 1818169592), (248, 1173012640), (254, 1145303680), (256, 1136355995), (310, 938410112), (320, 909084796), (496, 586506320), (508, 572651840), (620, 469205056), (635, 458121472), (640, 454542398), (992, 293253160), (1016, 286325920), (1240, 234602528), (1270, 229060736), (1280, 227271199), (1984, 146626580), (2032, 143162960), (2480, 117301264), (2540, 114530368), (3937, 73890560), (3968, 73313290), (4064, 71581480), (4960, 58650632), (5080, 57265184), (7874, 36945280), (7936, 36656645), (8128, 35790740), (9920, 29325316), (10160, 28632592), (15748, 18472640), (16256, 17895370), (19685, 14778112), (19840, 14662658), (20320, 14316296), (31496, 9236320), (32512, 8947685), (39370, 7389056), (39680, 7331329), (40640, 7158148), (57727, 5039360), (62992, 4618160), (78740, 3694528), (81280, 3579074), (115454, 2519680), (125984, 2309080), (157480, 1847264), (162560, 1789537), (230908, 1259840), (251968, 1154540), (288635, 1007872), (314960, 923632), (461816, 629920), (503936, 577270)]