219994880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:642

約数の個数: 144

約数和(自身を含む): 617320704

約数和(自身を除く): 397325824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 256, 280, 301, 320, 344, 430, 448, 560, 571, 602, 640, 688, 860, 896, 1120, 1142, 1204, 1280, 1376, 1505, 1720, 1792, 2240, 2284, 2408, 2752, 2855, 3010, 3440, 3997, 4480, 4568, 4816, 5504, 5710, 6020, 6880, 7994, 8960, 9136, 9632, 11008, 11420, 12040, 13760, 15988, 18272, 19264, 19985, 22840, 24080, 24553, 27520, 31976, 36544, 38528, 39970, 45680, 48160, 49106, 55040, 63952, 73088, 77056, 79940, 91360, 96320, 98212, 122765, 127904, 146176, 159880, 171871, 182720, 192640, 196424, 245530, 255808, 319760, 343742, 365440, 385280, 392848, 491060, 511616, 639520, 687484, 730880, 785696, 859355, 982120, 1023232, 1279040, 1374968, 1571392, 1718710, 1964240, 2558080, 2749936, 3142784, 3437420, 3928480, 5116160, 5499872, 6285568, 6874840, 7856960, 10999744, 13749680, 15713920, 21999488, 27499360, 31427840, 43998976, 54998720, 109997440, 219994880]

約数ペア:

[(1, 219994880), (2, 109997440), (4, 54998720), (5, 43998976), (7, 31427840), (8, 27499360), (10, 21999488), (14, 15713920), (16, 13749680), (20, 10999744), (28, 7856960), (32, 6874840), (35, 6285568), (40, 5499872), (43, 5116160), (56, 3928480), (64, 3437420), (70, 3142784), (80, 2749936), (86, 2558080), (112, 1964240), (128, 1718710), (140, 1571392), (160, 1374968), (172, 1279040), (215, 1023232), (224, 982120), (256, 859355), (280, 785696), (301, 730880), (320, 687484), (344, 639520), (430, 511616), (448, 491060), (560, 392848), (571, 385280), (602, 365440), (640, 343742), (688, 319760), (860, 255808), (896, 245530), (1120, 196424), (1142, 192640), (1204, 182720), (1280, 171871), (1376, 159880), (1505, 146176), (1720, 127904), (1792, 122765), (2240, 98212), (2284, 96320), (2408, 91360), (2752, 79940), (2855, 77056), (3010, 73088), (3440, 63952), (3997, 55040), (4480, 49106), (4568, 48160), (4816, 45680), (5504, 39970), (5710, 38528), (6020, 36544), (6880, 31976), (7994, 27520), (8960, 24553), (9136, 24080), (9632, 22840), (11008, 19985), (11420, 19264), (12040, 18272), (13760, 15988)]