218883930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1295

約数の個数: 64

約数和(自身を含む): 538980480

約数和(自身を除く): 320096550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 89, 146, 178, 219, 267, 365, 438, 445, 534, 730, 890, 1095, 1123, 1335, 2190, 2246, 2670, 3369, 5615, 6497, 6738, 11230, 12994, 16845, 19491, 32485, 33690, 38982, 64970, 81979, 97455, 99947, 163958, 194910, 199894, 245937, 299841, 409895, 491874, 499735, 599682, 819790, 999470, 1229685, 1499205, 2459370, 2998410, 7296131, 14592262, 21888393, 36480655, 43776786, 72961310, 109441965, 218883930]

約数ペア:

[(1, 218883930), (2, 109441965), (3, 72961310), (5, 43776786), (6, 36480655), (10, 21888393), (15, 14592262), (30, 7296131), (73, 2998410), (89, 2459370), (146, 1499205), (178, 1229685), (219, 999470), (267, 819790), (365, 599682), (438, 499735), (445, 491874), (534, 409895), (730, 299841), (890, 245937), (1095, 199894), (1123, 194910), (1335, 163958), (2190, 99947), (2246, 97455), (2670, 81979), (3369, 64970), (5615, 38982), (6497, 33690), (6738, 32485), (11230, 19491), (12994, 16845)]