4668940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 10311840

約数和(自身を除く): 5642900

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 89, 122, 172, 178, 215, 244, 305, 356, 430, 445, 610, 860, 890, 1220, 1780, 2623, 3827, 5246, 5429, 7654, 10492, 10858, 13115, 15308, 19135, 21716, 26230, 27145, 38270, 52460, 54290, 76540, 108580, 233447, 466894, 933788, 1167235, 2334470, 4668940]

約数ペア:

[(1, 4668940), (2, 2334470), (4, 1167235), (5, 933788), (10, 466894), (20, 233447), (43, 108580), (61, 76540), (86, 54290), (89, 52460), (122, 38270), (172, 27145), (178, 26230), (215, 21716), (244, 19135), (305, 15308), (356, 13115), (430, 10858), (445, 10492), (610, 7654), (860, 5429), (890, 5246), (1220, 3827), (1780, 2623)]