28041160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 78693120

約数和(自身を除く): 50651960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 85, 86, 119, 136, 137, 140, 170, 172, 215, 238, 274, 280, 301, 340, 344, 430, 476, 548, 595, 602, 680, 685, 731, 860, 952, 959, 1096, 1190, 1204, 1370, 1462, 1505, 1720, 1918, 2329, 2380, 2408, 2740, 2924, 3010, 3655, 3836, 4658, 4760, 4795, 5117, 5480, 5848, 5891, 6020, 7310, 7672, 9316, 9590, 10234, 11645, 11782, 12040, 14620, 16303, 18632, 19180, 20468, 23290, 23564, 25585, 29240, 29455, 32606, 38360, 40936, 41237, 46580, 47128, 51170, 58910, 65212, 81515, 82474, 93160, 100147, 102340, 117820, 130424, 163030, 164948, 200294, 204680, 206185, 235640, 326060, 329896, 400588, 412370, 500735, 652120, 701029, 801176, 824740, 1001470, 1402058, 1649480, 2002940, 2804116, 3505145, 4005880, 5608232, 7010290, 14020580, 28041160]

約数ペア:

[(1, 28041160), (2, 14020580), (4, 7010290), (5, 5608232), (7, 4005880), (8, 3505145), (10, 2804116), (14, 2002940), (17, 1649480), (20, 1402058), (28, 1001470), (34, 824740), (35, 801176), (40, 701029), (43, 652120), (56, 500735), (68, 412370), (70, 400588), (85, 329896), (86, 326060), (119, 235640), (136, 206185), (137, 204680), (140, 200294), (170, 164948), (172, 163030), (215, 130424), (238, 117820), (274, 102340), (280, 100147), (301, 93160), (340, 82474), (344, 81515), (430, 65212), (476, 58910), (548, 51170), (595, 47128), (602, 46580), (680, 41237), (685, 40936), (731, 38360), (860, 32606), (952, 29455), (959, 29240), (1096, 25585), (1190, 23564), (1204, 23290), (1370, 20468), (1462, 19180), (1505, 18632), (1720, 16303), (1918, 14620), (2329, 12040), (2380, 11782), (2408, 11645), (2740, 10234), (2924, 9590), (3010, 9316), (3655, 7672), (3836, 7310), (4658, 6020), (4760, 5891), (4795, 5848), (5117, 5480)]