2028040330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:855

約数の個数: 64

約数和(自身を含む): 3930301440

約数和(自身を除く): 1902261110

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 311, 431, 445, 622, 862, 890, 1513, 1555, 2155, 3026, 3110, 4310, 5287, 7327, 7565, 10574, 14654, 15130, 26435, 27679, 36635, 38359, 52870, 55358, 73270, 76718, 134041, 138395, 191795, 268082, 276790, 383590, 470543, 652103, 670205, 941086, 1304206, 1340410, 2278697, 2352715, 3260515, 4557394, 4705430, 6521030, 11393485, 11929649, 22786970, 23859298, 59648245, 119296490, 202804033, 405608066, 1014020165, 2028040330]

約数ペア:

[(1, 2028040330), (2, 1014020165), (5, 405608066), (10, 202804033), (17, 119296490), (34, 59648245), (85, 23859298), (89, 22786970), (170, 11929649), (178, 11393485), (311, 6521030), (431, 4705430), (445, 4557394), (622, 3260515), (862, 2352715), (890, 2278697), (1513, 1340410), (1555, 1304206), (2155, 941086), (3026, 670205), (3110, 652103), (4310, 470543), (5287, 383590), (7327, 276790), (7565, 268082), (10574, 191795), (14654, 138395), (15130, 134041), (26435, 76718), (27679, 73270), (36635, 55358), (38359, 52870)]