7815140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 17236800

約数和(自身を除く): 9421660

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 179, 185, 236, 295, 358, 370, 590, 716, 740, 895, 1180, 1790, 2183, 3580, 4366, 6623, 8732, 10561, 10915, 13246, 21122, 21830, 26492, 33115, 42244, 43660, 52805, 66230, 105610, 132460, 211220, 390757, 781514, 1563028, 1953785, 3907570, 7815140]

約数ペア:

[(1, 7815140), (2, 3907570), (4, 1953785), (5, 1563028), (10, 781514), (20, 390757), (37, 211220), (59, 132460), (74, 105610), (118, 66230), (148, 52805), (179, 43660), (185, 42244), (236, 33115), (295, 26492), (358, 21830), (370, 21122), (590, 13246), (716, 10915), (740, 10561), (895, 8732), (1180, 6623), (1790, 4366), (2183, 3580)]