169972180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{691}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 417475296

約数和(自身を除く): 247503116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 490, 502, 691, 980, 1004, 1255, 1382, 1757, 2510, 2764, 3455, 3514, 4837, 5020, 6910, 7028, 8785, 9674, 12299, 13820, 17570, 19348, 24185, 24598, 33859, 35140, 48370, 49196, 61495, 67718, 96740, 122990, 135436, 169295, 173441, 245980, 338590, 346882, 677180, 693764, 867205, 1214087, 1734410, 2428174, 3468820, 4856348, 6070435, 8498609, 12140870, 16997218, 24281740, 33994436, 42493045, 84986090, 169972180]

約数ペア:

[(1, 169972180), (2, 84986090), (4, 42493045), (5, 33994436), (7, 24281740), (10, 16997218), (14, 12140870), (20, 8498609), (28, 6070435), (35, 4856348), (49, 3468820), (70, 2428174), (98, 1734410), (140, 1214087), (196, 867205), (245, 693764), (251, 677180), (490, 346882), (502, 338590), (691, 245980), (980, 173441), (1004, 169295), (1255, 135436), (1382, 122990), (1757, 96740), (2510, 67718), (2764, 61495), (3455, 49196), (3514, 48370), (4837, 35140), (5020, 33859), (6910, 24598), (7028, 24185), (8785, 19348), (9674, 17570), (12299, 13820)]