282243920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:925

約数の個数: 120

約数和(自身を含む): 772885800

約数和(自身を除く): 490641880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 245, 280, 356, 392, 445, 490, 560, 623, 712, 784, 809, 890, 980, 1246, 1424, 1618, 1780, 1960, 2492, 3115, 3236, 3560, 3920, 4045, 4361, 4984, 5663, 6230, 6472, 7120, 8090, 8722, 9968, 11326, 12460, 12944, 16180, 17444, 21805, 22652, 24920, 28315, 32360, 34888, 39641, 43610, 45304, 49840, 56630, 64720, 69776, 72001, 79282, 87220, 90608, 113260, 144002, 158564, 174440, 198205, 226520, 288004, 317128, 348880, 360005, 396410, 453040, 504007, 576008, 634256, 720010, 792820, 1008014, 1152016, 1440020, 1585640, 2016028, 2520035, 2880040, 3171280, 3528049, 4032056, 5040070, 5760080, 7056098, 8064112, 10080140, 14112196, 17640245, 20160280, 28224392, 35280490, 40320560, 56448784, 70560980, 141121960, 282243920]

約数ペア:

[(1, 282243920), (2, 141121960), (4, 70560980), (5, 56448784), (7, 40320560), (8, 35280490), (10, 28224392), (14, 20160280), (16, 17640245), (20, 14112196), (28, 10080140), (35, 8064112), (40, 7056098), (49, 5760080), (56, 5040070), (70, 4032056), (80, 3528049), (89, 3171280), (98, 2880040), (112, 2520035), (140, 2016028), (178, 1585640), (196, 1440020), (245, 1152016), (280, 1008014), (356, 792820), (392, 720010), (445, 634256), (490, 576008), (560, 504007), (623, 453040), (712, 396410), (784, 360005), (809, 348880), (890, 317128), (980, 288004), (1246, 226520), (1424, 198205), (1618, 174440), (1780, 158564), (1960, 144002), (2492, 113260), (3115, 90608), (3236, 87220), (3560, 79282), (3920, 72001), (4045, 69776), (4361, 64720), (4984, 56630), (5663, 49840), (6230, 45304), (6472, 43610), (7120, 39641), (8090, 34888), (8722, 32360), (9968, 28315), (11326, 24920), (12460, 22652), (12944, 21805), (16180, 17444)]