388307920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{373}}^1$

素因数の和:430

約数の個数: 240

約数和(自身を含む): 1222100352

約数和(自身を除く): 833792432

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 169, 176, 182, 208, 220, 260, 280, 286, 308, 338, 364, 373, 385, 440, 455, 520, 560, 572, 616, 676, 715, 728, 746, 770, 845, 880, 910, 1001, 1040, 1144, 1183, 1232, 1352, 1430, 1456, 1492, 1540, 1690, 1820, 1859, 1865, 2002, 2288, 2366, 2611, 2704, 2860, 2984, 3080, 3380, 3640, 3718, 3730, 4004, 4103, 4732, 4849, 5005, 5222, 5720, 5915, 5968, 6160, 6760, 7280, 7436, 7460, 8008, 8206, 9295, 9464, 9698, 10010, 10444, 11440, 11830, 13013, 13055, 13520, 14872, 14920, 16016, 16412, 18590, 18928, 19396, 20020, 20515, 20888, 23660, 24245, 26026, 26110, 28721, 29744, 29840, 32824, 33943, 37180, 38792, 40040, 41030, 41776, 47320, 48490, 52052, 52220, 53339, 57442, 63037, 65065, 65648, 67886, 74360, 77584, 80080, 82060, 94640, 96980, 104104, 104440, 106678, 114884, 126074, 130130, 135772, 143605, 148720, 164120, 169715, 193960, 208208, 208880, 213356, 229768, 252148, 260260, 266695, 271544, 287210, 315185, 328240, 339430, 373373, 387920, 426712, 441259, 459536, 504296, 520520, 533390, 543088, 574420, 630370, 678860, 693407, 746746, 853424, 882518, 1008592, 1041040, 1066780, 1148840, 1260740, 1357720, 1386814, 1493492, 1765036, 1866865, 2133560, 2206295, 2297680, 2521480, 2715440, 2773628, 2986984, 3467035, 3530072, 3733730, 4267120, 4412590, 4853849, 5042960, 5547256, 5973968, 6934070, 7060144, 7467460, 8825180, 9707698, 11094512, 13868140, 14934920, 17650360, 19415396, 24269245, 27736280, 29869840, 35300720, 38830792, 48538490, 55472560, 77661584, 97076980, 194153960, 388307920]

約数ペア:

[(1, 388307920), (2, 194153960), (4, 97076980), (5, 77661584), (7, 55472560), (8, 48538490), (10, 38830792), (11, 35300720), (13, 29869840), (14, 27736280), (16, 24269245), (20, 19415396), (22, 17650360), (26, 14934920), (28, 13868140), (35, 11094512), (40, 9707698), (44, 8825180), (52, 7467460), (55, 7060144), (56, 6934070), (65, 5973968), (70, 5547256), (77, 5042960), (80, 4853849), (88, 4412590), (91, 4267120), (104, 3733730), (110, 3530072), (112, 3467035), (130, 2986984), (140, 2773628), (143, 2715440), (154, 2521480), (169, 2297680), (176, 2206295), (182, 2133560), (208, 1866865), (220, 1765036), (260, 1493492), (280, 1386814), (286, 1357720), (308, 1260740), (338, 1148840), (364, 1066780), (373, 1041040), (385, 1008592), (440, 882518), (455, 853424), (520, 746746), (560, 693407), (572, 678860), (616, 630370), (676, 574420), (715, 543088), (728, 533390), (746, 520520), (770, 504296), (845, 459536), (880, 441259), (910, 426712), (1001, 387920), (1040, 373373), (1144, 339430), (1183, 328240), (1232, 315185), (1352, 287210), (1430, 271544), (1456, 266695), (1492, 260260), (1540, 252148), (1690, 229768), (1820, 213356), (1859, 208880), (1865, 208208), (2002, 193960), (2288, 169715), (2366, 164120), (2611, 148720), (2704, 143605), (2860, 135772), (2984, 130130), (3080, 126074), (3380, 114884), (3640, 106678), (3718, 104440), (3730, 104104), (4004, 96980), (4103, 94640), (4732, 82060), (4849, 80080), (5005, 77584), (5222, 74360), (5720, 67886), (5915, 65648), (5968, 65065), (6160, 63037), (6760, 57442), (7280, 53339), (7436, 52220), (7460, 52052), (8008, 48490), (8206, 47320), (9295, 41776), (9464, 41030), (9698, 40040), (10010, 38792), (10444, 37180), (11440, 33943), (11830, 32824), (13013, 29840), (13055, 29744), (13520, 28721), (14872, 26110), (14920, 26026), (16016, 24245), (16412, 23660), (18590, 20888), (18928, 20515), (19396, 20020)]