277294640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1427}}^1$

素因数の和:1794

約数の個数: 80

約数和(自身を含む): 739452672

約数和(自身を除く): 462158032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 347, 560, 694, 1388, 1427, 1735, 2429, 2776, 2854, 3470, 4858, 5552, 5708, 6940, 7135, 9716, 9989, 11416, 12145, 13880, 14270, 19432, 19978, 22832, 24290, 27760, 28540, 38864, 39956, 48580, 49945, 57080, 79912, 97160, 99890, 114160, 159824, 194320, 199780, 399560, 495169, 799120, 990338, 1980676, 2475845, 3466183, 3961352, 4951690, 6932366, 7922704, 9903380, 13864732, 17330915, 19806760, 27729464, 34661830, 39613520, 55458928, 69323660, 138647320, 277294640]

約数ペア:

[(1, 277294640), (2, 138647320), (4, 69323660), (5, 55458928), (7, 39613520), (8, 34661830), (10, 27729464), (14, 19806760), (16, 17330915), (20, 13864732), (28, 9903380), (35, 7922704), (40, 6932366), (56, 4951690), (70, 3961352), (80, 3466183), (112, 2475845), (140, 1980676), (280, 990338), (347, 799120), (560, 495169), (694, 399560), (1388, 199780), (1427, 194320), (1735, 159824), (2429, 114160), (2776, 99890), (2854, 97160), (3470, 79912), (4858, 57080), (5552, 49945), (5708, 48580), (6940, 39956), (7135, 38864), (9716, 28540), (9989, 27760), (11416, 24290), (12145, 22832), (13880, 19978), (14270, 19432)]