287372930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{7649}}^1$

素因数の和:7703

約数の個数: 48

約数和(自身を含む): 591834600

約数和(自身を除く): 304461670

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 1105, 1445, 2210, 2890, 3757, 7514, 7649, 15298, 18785, 37570, 38245, 76490, 99437, 130033, 198874, 260066, 497185, 650165, 994370, 1300330, 1690429, 2210561, 3380858, 4421122, 8452145, 11052805, 16904290, 22105610, 28737293, 57474586, 143686465, 287372930]

約数ペア:

[(1, 287372930), (2, 143686465), (5, 57474586), (10, 28737293), (13, 22105610), (17, 16904290), (26, 11052805), (34, 8452145), (65, 4421122), (85, 3380858), (130, 2210561), (170, 1690429), (221, 1300330), (289, 994370), (442, 650165), (578, 497185), (1105, 260066), (1445, 198874), (2210, 130033), (2890, 99437), (3757, 76490), (7514, 38245), (7649, 37570), (15298, 18785)]