2468860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 5594400

約数和(自身を除く): 3125540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 89, 95, 146, 178, 190, 292, 356, 365, 380, 445, 730, 890, 1387, 1460, 1691, 1780, 2774, 3382, 5548, 6497, 6764, 6935, 8455, 12994, 13870, 16910, 25988, 27740, 32485, 33820, 64970, 123443, 129940, 246886, 493772, 617215, 1234430, 2468860]

約数ペア:

[(1, 2468860), (2, 1234430), (4, 617215), (5, 493772), (10, 246886), (19, 129940), (20, 123443), (38, 64970), (73, 33820), (76, 32485), (89, 27740), (95, 25988), (146, 16910), (178, 13870), (190, 12994), (292, 8455), (356, 6935), (365, 6764), (380, 6497), (445, 5548), (730, 3382), (890, 2774), (1387, 1780), (1460, 1691)]