2788973900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47351}}^1$

素因数の和:47415

約数の個数: 72

約数和(自身を含む): 6576245760

約数和(自身を除く): 3787271860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1178, 1550, 1900, 2356, 2945, 3100, 5890, 11780, 14725, 29450, 47351, 58900, 94702, 189404, 236755, 473510, 899669, 947020, 1183775, 1467881, 1799338, 2367550, 2935762, 3598676, 4498345, 4735100, 5871524, 7339405, 8996690, 14678810, 17993380, 22491725, 27889739, 29357620, 36697025, 44983450, 55779478, 73394050, 89966900, 111558956, 139448695, 146788100, 278897390, 557794780, 697243475, 1394486950, 2788973900]

約数ペア:

[(1, 2788973900), (2, 1394486950), (4, 697243475), (5, 557794780), (10, 278897390), (19, 146788100), (20, 139448695), (25, 111558956), (31, 89966900), (38, 73394050), (50, 55779478), (62, 44983450), (76, 36697025), (95, 29357620), (100, 27889739), (124, 22491725), (155, 17993380), (190, 14678810), (310, 8996690), (380, 7339405), (475, 5871524), (589, 4735100), (620, 4498345), (775, 3598676), (950, 2935762), (1178, 2367550), (1550, 1799338), (1900, 1467881), (2356, 1183775), (2945, 947020), (3100, 899669), (5890, 473510), (11780, 236755), (14725, 189404), (29450, 94702), (47351, 58900)]