278202990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23011}}^1$

素因数の和:23065

約数の個数: 64

約数和(自身を含む): 742275072

約数和(自身を除く): 464072082

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 23011, 46022, 69033, 115055, 138066, 230110, 299143, 345165, 598286, 690330, 713341, 897429, 1426682, 1495715, 1794858, 2140023, 2991430, 3566705, 4280046, 4487145, 7133410, 8974290, 9273433, 10700115, 18546866, 21400230, 27820299, 46367165, 55640598, 92734330, 139101495, 278202990]

約数ペア:

[(1, 278202990), (2, 139101495), (3, 92734330), (5, 55640598), (6, 46367165), (10, 27820299), (13, 21400230), (15, 18546866), (26, 10700115), (30, 9273433), (31, 8974290), (39, 7133410), (62, 4487145), (65, 4280046), (78, 3566705), (93, 2991430), (130, 2140023), (155, 1794858), (186, 1495715), (195, 1426682), (310, 897429), (390, 713341), (403, 690330), (465, 598286), (806, 345165), (930, 299143), (1209, 230110), (2015, 138066), (2418, 115055), (4030, 69033), (6045, 46022), (12090, 23011)]