421594880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 1164785664

約数和(自身を除く): 743190784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 211, 223, 224, 256, 280, 320, 422, 446, 448, 560, 640, 844, 892, 896, 1055, 1115, 1120, 1280, 1477, 1561, 1688, 1784, 1792, 2110, 2230, 2240, 2954, 3122, 3376, 3568, 4220, 4460, 4480, 5908, 6244, 6752, 7136, 7385, 7805, 8440, 8920, 8960, 11816, 12488, 13504, 14272, 14770, 15610, 16880, 17840, 23632, 24976, 27008, 28544, 29540, 31220, 33760, 35680, 47053, 47264, 49952, 54016, 57088, 59080, 62440, 67520, 71360, 94106, 94528, 99904, 118160, 124880, 135040, 142720, 188212, 189056, 199808, 235265, 236320, 249760, 270080, 285440, 329371, 376424, 378112, 399616, 470530, 472640, 499520, 658742, 752848, 941060, 945280, 999040, 1317484, 1505696, 1646855, 1882120, 1890560, 1998080, 2634968, 3011392, 3293710, 3764240, 5269936, 6022784, 6587420, 7528480, 10539872, 12045568, 13174840, 15056960, 21079744, 26349680, 30113920, 42159488, 52699360, 60227840, 84318976, 105398720, 210797440, 421594880]

約数ペア:

[(1, 421594880), (2, 210797440), (4, 105398720), (5, 84318976), (7, 60227840), (8, 52699360), (10, 42159488), (14, 30113920), (16, 26349680), (20, 21079744), (28, 15056960), (32, 13174840), (35, 12045568), (40, 10539872), (56, 7528480), (64, 6587420), (70, 6022784), (80, 5269936), (112, 3764240), (128, 3293710), (140, 3011392), (160, 2634968), (211, 1998080), (223, 1890560), (224, 1882120), (256, 1646855), (280, 1505696), (320, 1317484), (422, 999040), (446, 945280), (448, 941060), (560, 752848), (640, 658742), (844, 499520), (892, 472640), (896, 470530), (1055, 399616), (1115, 378112), (1120, 376424), (1280, 329371), (1477, 285440), (1561, 270080), (1688, 249760), (1784, 236320), (1792, 235265), (2110, 199808), (2230, 189056), (2240, 188212), (2954, 142720), (3122, 135040), (3376, 124880), (3568, 118160), (4220, 99904), (4460, 94528), (4480, 94106), (5908, 71360), (6244, 67520), (6752, 62440), (7136, 59080), (7385, 57088), (7805, 54016), (8440, 49952), (8920, 47264), (8960, 47053), (11816, 35680), (12488, 33760), (13504, 31220), (14272, 29540), (14770, 28544), (15610, 27008), (16880, 24976), (17840, 23632)]