211714940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{1151}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 472034304

約数和(自身を除く): 260319364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 541, 1082, 1151, 2164, 2302, 2705, 4604, 5410, 5755, 9197, 10820, 11510, 18394, 19567, 23020, 36788, 39134, 45985, 78268, 91970, 97835, 183940, 195670, 391340, 622691, 1245382, 2490764, 3113455, 6226910, 10585747, 12453820, 21171494, 42342988, 52928735, 105857470, 211714940]

約数ペア:

[(1, 211714940), (2, 105857470), (4, 52928735), (5, 42342988), (10, 21171494), (17, 12453820), (20, 10585747), (34, 6226910), (68, 3113455), (85, 2490764), (170, 1245382), (340, 622691), (541, 391340), (1082, 195670), (1151, 183940), (2164, 97835), (2302, 91970), (2705, 78268), (4604, 45985), (5410, 39134), (5755, 36788), (9197, 23020), (10820, 19567), (11510, 18394)]