28920990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3359}}^1$

素因数の和:3417

約数の個数: 64

約数和(自身を含む): 81285120

約数和(自身を除く): 52364130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 246, 287, 410, 574, 615, 861, 1230, 1435, 1722, 2870, 3359, 4305, 6718, 8610, 10077, 16795, 20154, 23513, 33590, 47026, 50385, 70539, 100770, 117565, 137719, 141078, 235130, 275438, 352695, 413157, 688595, 705390, 826314, 964033, 1377190, 1928066, 2065785, 2892099, 4131570, 4820165, 5784198, 9640330, 14460495, 28920990]

約数ペア:

[(1, 28920990), (2, 14460495), (3, 9640330), (5, 5784198), (6, 4820165), (7, 4131570), (10, 2892099), (14, 2065785), (15, 1928066), (21, 1377190), (30, 964033), (35, 826314), (41, 705390), (42, 688595), (70, 413157), (82, 352695), (105, 275438), (123, 235130), (205, 141078), (210, 137719), (246, 117565), (287, 100770), (410, 70539), (574, 50385), (615, 47026), (861, 33590), (1230, 23513), (1435, 20154), (1722, 16795), (2870, 10077), (3359, 8610), (4305, 6718)]