247632340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1301}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 538965504

約数和(自身を除く): 291333164

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 614, 620, 1228, 1301, 1535, 2602, 3070, 5204, 6140, 6505, 9517, 13010, 19034, 26020, 38068, 40331, 47585, 80662, 95170, 161324, 190340, 201655, 399407, 403310, 798814, 806620, 1597628, 1997035, 3994070, 7988140, 12381617, 24763234, 49526468, 61908085, 123816170, 247632340]

約数ペア:

[(1, 247632340), (2, 123816170), (4, 61908085), (5, 49526468), (10, 24763234), (20, 12381617), (31, 7988140), (62, 3994070), (124, 1997035), (155, 1597628), (307, 806620), (310, 798814), (614, 403310), (620, 399407), (1228, 201655), (1301, 190340), (1535, 161324), (2602, 95170), (3070, 80662), (5204, 47585), (6140, 40331), (6505, 38068), (9517, 26020), (13010, 19034)]