2223905180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{9041}}^1$

素因数の和:9315

約数の個数: 72

約数和(自身を含む): 5454930096

約数和(自身を除く): 3231024916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 490, 502, 980, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8785, 9041, 12299, 17570, 18082, 24598, 35140, 36164, 45205, 49196, 61495, 63287, 90410, 122990, 126574, 180820, 245980, 253148, 316435, 443009, 632870, 886018, 1265740, 1772036, 2215045, 2269291, 4430090, 4538582, 8860180, 9077164, 11346455, 15885037, 22692910, 31770074, 45385820, 63540148, 79425185, 111195259, 158850370, 222390518, 317700740, 444781036, 555976295, 1111952590, 2223905180]

約数ペア:

[(1, 2223905180), (2, 1111952590), (4, 555976295), (5, 444781036), (7, 317700740), (10, 222390518), (14, 158850370), (20, 111195259), (28, 79425185), (35, 63540148), (49, 45385820), (70, 31770074), (98, 22692910), (140, 15885037), (196, 11346455), (245, 9077164), (251, 8860180), (490, 4538582), (502, 4430090), (980, 2269291), (1004, 2215045), (1255, 1772036), (1757, 1265740), (2510, 886018), (3514, 632870), (5020, 443009), (7028, 316435), (8785, 253148), (9041, 245980), (12299, 180820), (17570, 126574), (18082, 122990), (24598, 90410), (35140, 63287), (36164, 61495), (45205, 49196)]