28370860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5477}}^1$

素因数の和:5530

約数の個数: 48

約数和(自身を含む): 69943104

約数和(自身を除く): 41572244

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, 5180, 5477, 10954, 21908, 27385, 38339, 54770, 76678, 109540, 153356, 191695, 202649, 383390, 405298, 766780, 810596, 1013245, 1418543, 2026490, 2837086, 4052980, 5674172, 7092715, 14185430, 28370860]

約数ペア:

[(1, 28370860), (2, 14185430), (4, 7092715), (5, 5674172), (7, 4052980), (10, 2837086), (14, 2026490), (20, 1418543), (28, 1013245), (35, 810596), (37, 766780), (70, 405298), (74, 383390), (140, 202649), (148, 191695), (185, 153356), (259, 109540), (370, 76678), (518, 54770), (740, 38339), (1036, 27385), (1295, 21908), (2590, 10954), (5180, 5477)]