17927980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3461}}^1$

素因数の和:3514

約数の個数: 48

約数和(自身を含む): 44202816

約数和(自身を除く): 26274836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3461, 5180, 6922, 13844, 17305, 24227, 34610, 48454, 69220, 96908, 121135, 128057, 242270, 256114, 484540, 512228, 640285, 896399, 1280570, 1792798, 2561140, 3585596, 4481995, 8963990, 17927980]

約数ペア:

[(1, 17927980), (2, 8963990), (4, 4481995), (5, 3585596), (7, 2561140), (10, 1792798), (14, 1280570), (20, 896399), (28, 640285), (35, 512228), (37, 484540), (70, 256114), (74, 242270), (140, 128057), (148, 121135), (185, 96908), (259, 69220), (370, 48454), (518, 34610), (740, 24227), (1036, 17305), (1295, 13844), (2590, 6922), (3461, 5180)]