999329.0000000

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 13471920

約数和(自身を除く): 7979560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 197, 205, 328, 340, 394, 410, 680, 697, 788, 820, 985, 1394, 1576, 1640, 1970, 2788, 3349, 3485, 3940, 5576, 6698, 6970, 7880, 8077, 13396, 13940, 16154, 16745, 26792, 27880, 32308, 33490, 40385, 64616, 66980, 80770, 133960, 137309, 161540, 274618, 323080, 549236, 686545, 1098472, 1373090, 2746180, 5492360]

約数ペア:

[(1, 5492360), (2, 2746180), (4, 1373090), (5, 1098472), (8, 686545), (10, 549236), (17, 323080), (20, 274618), (34, 161540), (40, 137309), (41, 133960), (68, 80770), (82, 66980), (85, 64616), (136, 40385), (164, 33490), (170, 32308), (197, 27880), (205, 26792), (328, 16745), (340, 16154), (394, 13940), (410, 13396), (680, 8077), (697, 7880), (788, 6970), (820, 6698), (985, 5576), (1394, 3940), (1576, 3485), (1640, 3349), (1970, 2788)]