209489440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 525813120

約数和(自身を除く): 316323680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 137, 152, 160, 190, 274, 304, 380, 503, 548, 608, 685, 760, 1006, 1096, 1370, 1520, 2012, 2192, 2515, 2603, 2740, 3040, 4024, 4384, 5030, 5206, 5480, 8048, 9557, 10060, 10412, 10960, 13015, 16096, 19114, 20120, 20824, 21920, 26030, 38228, 40240, 41648, 47785, 52060, 68911, 76456, 80480, 83296, 95570, 104120, 137822, 152912, 191140, 208240, 275644, 305824, 344555, 382280, 416480, 551288, 689110, 764560, 1102576, 1309309, 1378220, 1529120, 2205152, 2618618, 2756440, 5237236, 5512880, 6546545, 10474472, 11025760, 13093090, 20948944, 26186180, 41897888, 52372360, 104744720, 209489440]

約数ペア:

[(1, 209489440), (2, 104744720), (4, 52372360), (5, 41897888), (8, 26186180), (10, 20948944), (16, 13093090), (19, 11025760), (20, 10474472), (32, 6546545), (38, 5512880), (40, 5237236), (76, 2756440), (80, 2618618), (95, 2205152), (137, 1529120), (152, 1378220), (160, 1309309), (190, 1102576), (274, 764560), (304, 689110), (380, 551288), (503, 416480), (548, 382280), (608, 344555), (685, 305824), (760, 275644), (1006, 208240), (1096, 191140), (1370, 152912), (1520, 137822), (2012, 104120), (2192, 95570), (2515, 83296), (2603, 80480), (2740, 76456), (3040, 68911), (4024, 52060), (4384, 47785), (5030, 41648), (5206, 40240), (5480, 38228), (8048, 26030), (9557, 21920), (10060, 20824), (10412, 20120), (10960, 19114), (13015, 16096)]