391827520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{24989}}^1$

素因数の和:25020

約数の個数: 84

約数和(自身を含む): 1085415660

約数和(自身を除く): 693588140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 24989, 49978, 99956, 124945, 174923, 199912, 249890, 349846, 399824, 499780, 699692, 799648, 874615, 999560, 1224461, 1399384, 1599296, 1749230, 1999120, 2448922, 2798768, 3498460, 3998240, 4897844, 5597536, 6122305, 6996920, 7996480, 9795688, 11195072, 12244610, 13993840, 19591376, 24489220, 27987680, 39182752, 48978440, 55975360, 78365504, 97956880, 195913760, 391827520]

約数ペア:

[(1, 391827520), (2, 195913760), (4, 97956880), (5, 78365504), (7, 55975360), (8, 48978440), (10, 39182752), (14, 27987680), (16, 24489220), (20, 19591376), (28, 13993840), (32, 12244610), (35, 11195072), (40, 9795688), (49, 7996480), (56, 6996920), (64, 6122305), (70, 5597536), (80, 4897844), (98, 3998240), (112, 3498460), (140, 2798768), (160, 2448922), (196, 1999120), (224, 1749230), (245, 1599296), (280, 1399384), (320, 1224461), (392, 999560), (448, 874615), (490, 799648), (560, 699692), (784, 499780), (980, 399824), (1120, 349846), (1568, 249890), (1960, 199912), (2240, 174923), (3136, 124945), (3920, 99956), (7840, 49978), (15680, 24989)]