2499930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 6842880

約数和(自身を除く): 4342950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 90, 94, 135, 141, 197, 235, 270, 282, 394, 423, 470, 591, 705, 846, 985, 1182, 1269, 1410, 1773, 1970, 2115, 2538, 2955, 3546, 4230, 5319, 5910, 6345, 8865, 9259, 10638, 12690, 17730, 18518, 26595, 27777, 46295, 53190, 55554, 83331, 92590, 138885, 166662, 249993, 277770, 416655, 499986, 833310, 1249965, 2499930]

約数ペア:

[(1, 2499930), (2, 1249965), (3, 833310), (5, 499986), (6, 416655), (9, 277770), (10, 249993), (15, 166662), (18, 138885), (27, 92590), (30, 83331), (45, 55554), (47, 53190), (54, 46295), (90, 27777), (94, 26595), (135, 18518), (141, 17730), (197, 12690), (235, 10638), (270, 9259), (282, 8865), (394, 6345), (423, 5910), (470, 5319), (591, 4230), (705, 3546), (846, 2955), (985, 2538), (1182, 2115), (1269, 1970), (1410, 1773)]