190609220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 407973888

約数和(自身を除く): 217364668

約数列:

[1, 2, 4, 5, 10, 20, 101, 127, 202, 254, 404, 505, 508, 635, 743, 1010, 1270, 1486, 2020, 2540, 2972, 3715, 7430, 12827, 14860, 25654, 51308, 64135, 75043, 94361, 128270, 150086, 188722, 256540, 300172, 375215, 377444, 471805, 750430, 943610, 1500860, 1887220, 9530461, 19060922, 38121844, 47652305, 95304610, 190609220]

約数ペア:

[(1, 190609220), (2, 95304610), (4, 47652305), (5, 38121844), (10, 19060922), (20, 9530461), (101, 1887220), (127, 1500860), (202, 943610), (254, 750430), (404, 471805), (505, 377444), (508, 375215), (635, 300172), (743, 256540), (1010, 188722), (1270, 150086), (1486, 128270), (2020, 94361), (2540, 75043), (2972, 64135), (3715, 51308), (7430, 25654), (12827, 14860)]