1000440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{397}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 3725280

約数和(自身を除く): 2724840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 397, 420, 504, 630, 794, 840, 1191, 1260, 1588, 1985, 2382, 2520, 2779, 3176, 3573, 3970, 4764, 5558, 5955, 7146, 7940, 8337, 9528, 11116, 11910, 13895, 14292, 15880, 16674, 17865, 22232, 23820, 25011, 27790, 28584, 33348, 35730, 41685, 47640, 50022, 55580, 66696, 71460, 83370, 100044, 111160, 125055, 142920, 166740, 200088, 250110, 333480, 500220, 1000440]

約数ペア:

[(1, 1000440), (2, 500220), (3, 333480), (4, 250110), (5, 200088), (6, 166740), (7, 142920), (8, 125055), (9, 111160), (10, 100044), (12, 83370), (14, 71460), (15, 66696), (18, 55580), (20, 50022), (21, 47640), (24, 41685), (28, 35730), (30, 33348), (35, 28584), (36, 27790), (40, 25011), (42, 23820), (45, 22232), (56, 17865), (60, 16674), (63, 15880), (70, 14292), (72, 13895), (84, 11910), (90, 11116), (105, 9528), (120, 8337), (126, 7940), (140, 7146), (168, 5955), (180, 5558), (210, 4764), (252, 3970), (280, 3573), (315, 3176), (360, 2779), (397, 2520), (420, 2382), (504, 1985), (630, 1588), (794, 1260), (840, 1191)]