206744890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3191}}^1$

素因数の和:3259

約数の個数: 64

約数和(自身を含む): 441262080

約数和(自身を除く): 234517190

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 418, 589, 682, 1045, 1178, 1705, 2090, 2945, 3191, 3410, 5890, 6382, 6479, 12958, 15955, 31910, 32395, 35101, 60629, 64790, 70202, 98921, 121258, 175505, 197842, 303145, 351010, 494605, 606290, 666919, 989210, 1088131, 1333838, 1879499, 2176262, 3334595, 3758998, 5440655, 6669190, 9397495, 10881310, 18794990, 20674489, 41348978, 103372445, 206744890]

約数ペア:

[(1, 206744890), (2, 103372445), (5, 41348978), (10, 20674489), (11, 18794990), (19, 10881310), (22, 9397495), (31, 6669190), (38, 5440655), (55, 3758998), (62, 3334595), (95, 2176262), (110, 1879499), (155, 1333838), (190, 1088131), (209, 989210), (310, 666919), (341, 606290), (418, 494605), (589, 351010), (682, 303145), (1045, 197842), (1178, 175505), (1705, 121258), (2090, 98921), (2945, 70202), (3191, 64790), (3410, 60629), (5890, 35101), (6382, 32395), (6479, 31910), (12958, 15955)]