201809175880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1481}}^1\times {\mathrm{262049}}^1$

素因数の和:263554

約数の個数: 64

約数和(自身を含む): 489331206000

約数和(自身を除く): 287522030120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1481, 2962, 5924, 7405, 11848, 14810, 19253, 29620, 38506, 59240, 77012, 96265, 154024, 192530, 262049, 385060, 524098, 770120, 1048196, 1310245, 2096392, 2620490, 3406637, 5240980, 6813274, 10481960, 13626548, 17033185, 27253096, 34066370, 68132740, 136265480, 388094569, 776189138, 1552378276, 1940472845, 3104756552, 3880945690, 5045229397, 7761891380, 10090458794, 15523782760, 20180917588, 25226146985, 40361835176, 50452293970, 100904587940, 201809175880]

約数ペア:

[(1, 201809175880), (2, 100904587940), (4, 50452293970), (5, 40361835176), (8, 25226146985), (10, 20180917588), (13, 15523782760), (20, 10090458794), (26, 7761891380), (40, 5045229397), (52, 3880945690), (65, 3104756552), (104, 1940472845), (130, 1552378276), (260, 776189138), (520, 388094569), (1481, 136265480), (2962, 68132740), (5924, 34066370), (7405, 27253096), (11848, 17033185), (14810, 13626548), (19253, 10481960), (29620, 6813274), (38506, 5240980), (59240, 3406637), (77012, 2620490), (96265, 2096392), (154024, 1310245), (192530, 1048196), (262049, 770120), (385060, 524098)]