4990700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 12759600

約数和(自身を除く): 7768900

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 349, 550, 572, 650, 698, 715, 1100, 1300, 1396, 1430, 1745, 2860, 3490, 3575, 3839, 4537, 6980, 7150, 7678, 8725, 9074, 14300, 15356, 17450, 18148, 19195, 22685, 34900, 38390, 45370, 49907, 76780, 90740, 95975, 99814, 113425, 191950, 199628, 226850, 249535, 383900, 453700, 499070, 998140, 1247675, 2495350, 4990700]

約数ペア:

[(1, 4990700), (2, 2495350), (4, 1247675), (5, 998140), (10, 499070), (11, 453700), (13, 383900), (20, 249535), (22, 226850), (25, 199628), (26, 191950), (44, 113425), (50, 99814), (52, 95975), (55, 90740), (65, 76780), (100, 49907), (110, 45370), (130, 38390), (143, 34900), (220, 22685), (260, 19195), (275, 18148), (286, 17450), (325, 15356), (349, 14300), (550, 9074), (572, 8725), (650, 7678), (698, 7150), (715, 6980), (1100, 4537), (1300, 3839), (1396, 3575), (1430, 3490), (1745, 2860)]