290954580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1361}}^1$

素因数の和:1889

約数の個数: 96

約数和(自身を含む): 933569280

約数和(自身を除く): 642614700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 509, 1018, 1361, 1527, 2036, 2545, 2722, 3054, 3563, 4083, 5090, 5444, 6108, 6805, 7126, 7635, 8166, 9527, 10180, 10689, 13610, 14252, 15270, 16332, 17815, 19054, 20415, 21378, 27220, 28581, 30540, 35630, 38108, 40830, 42756, 47635, 53445, 57162, 71260, 81660, 95270, 106890, 114324, 142905, 190540, 213780, 285810, 571620, 692749, 1385498, 2078247, 2770996, 3463745, 4156494, 4849243, 6927490, 8312988, 9698486, 10391235, 13854980, 14547729, 19396972, 20782470, 24246215, 29095458, 41564940, 48492430, 58190916, 72738645, 96984860, 145477290, 290954580]

約数ペア:

[(1, 290954580), (2, 145477290), (3, 96984860), (4, 72738645), (5, 58190916), (6, 48492430), (7, 41564940), (10, 29095458), (12, 24246215), (14, 20782470), (15, 19396972), (20, 14547729), (21, 13854980), (28, 10391235), (30, 9698486), (35, 8312988), (42, 6927490), (60, 4849243), (70, 4156494), (84, 3463745), (105, 2770996), (140, 2078247), (210, 1385498), (420, 692749), (509, 571620), (1018, 285810), (1361, 213780), (1527, 190540), (2036, 142905), (2545, 114324), (2722, 106890), (3054, 95270), (3563, 81660), (4083, 71260), (5090, 57162), (5444, 53445), (6108, 47635), (6805, 42756), (7126, 40830), (7635, 38108), (8166, 35630), (9527, 30540), (10180, 28581), (10689, 27220), (13610, 21378), (14252, 20415), (15270, 19054), (16332, 17815)]