218479.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 18655056

約数和(自身を除く): 10421276

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 397, 610, 794, 1037, 1220, 1588, 1985, 2074, 3970, 4148, 5185, 6749, 7940, 10370, 13498, 20740, 24217, 26996, 33745, 48434, 67490, 96868, 121085, 134980, 242170, 411689, 484340, 823378, 1646756, 2058445, 4116890, 8233780]

約数ペア:

[(1, 8233780), (2, 4116890), (4, 2058445), (5, 1646756), (10, 823378), (17, 484340), (20, 411689), (34, 242170), (61, 134980), (68, 121085), (85, 96868), (122, 67490), (170, 48434), (244, 33745), (305, 26996), (340, 24217), (397, 20740), (610, 13498), (794, 10370), (1037, 7940), (1220, 6749), (1588, 5185), (1985, 4148), (2074, 3970)]