286201720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2549}}^1$

素因数の和:2968

約数の個数: 64

約数和(自身を含む): 738072000

約数和(自身を除く): 451870280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 401, 802, 1604, 2005, 2549, 2807, 3208, 4010, 5098, 5614, 8020, 10196, 11228, 12745, 14035, 16040, 17843, 20392, 22456, 25490, 28070, 35686, 50980, 56140, 71372, 89215, 101960, 112280, 142744, 178430, 356860, 713720, 1022149, 2044298, 4088596, 5110745, 7155043, 8177192, 10221490, 14310086, 20442980, 28620172, 35775215, 40885960, 57240344, 71550430, 143100860, 286201720]

約数ペア:

[(1, 286201720), (2, 143100860), (4, 71550430), (5, 57240344), (7, 40885960), (8, 35775215), (10, 28620172), (14, 20442980), (20, 14310086), (28, 10221490), (35, 8177192), (40, 7155043), (56, 5110745), (70, 4088596), (140, 2044298), (280, 1022149), (401, 713720), (802, 356860), (1604, 178430), (2005, 142744), (2549, 112280), (2807, 101960), (3208, 89215), (4010, 71372), (5098, 56140), (5614, 50980), (8020, 35686), (10196, 28070), (11228, 25490), (12745, 22456), (14035, 20392), (16040, 17843)]