28888475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 45830400

約数和(自身を除く): 16941925

約数列:

[1, 5, 7, 11, 25, 35, 43, 55, 77, 175, 215, 275, 301, 349, 385, 473, 1075, 1505, 1745, 1925, 2365, 2443, 3311, 3839, 7525, 8725, 11825, 12215, 15007, 16555, 19195, 26873, 61075, 75035, 82775, 95975, 105049, 134365, 165077, 375175, 525245, 671825, 825385, 1155539, 2626225, 4126925, 5777695, 28888475]

約数ペア:

[(1, 28888475), (5, 5777695), (7, 4126925), (11, 2626225), (25, 1155539), (35, 825385), (43, 671825), (55, 525245), (77, 375175), (175, 165077), (215, 134365), (275, 105049), (301, 95975), (349, 82775), (385, 75035), (473, 61075), (1075, 26873), (1505, 19195), (1745, 16555), (1925, 15007), (2365, 12215), (2443, 11825), (3311, 8725), (3839, 7525)]