6698140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 14696640

約数和(自身を除く): 7998500

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 89, 106, 142, 178, 212, 265, 284, 355, 356, 445, 530, 710, 890, 1060, 1420, 1780, 3763, 4717, 6319, 7526, 9434, 12638, 15052, 18815, 18868, 23585, 25276, 31595, 37630, 47170, 63190, 75260, 94340, 126380, 334907, 669814, 1339628, 1674535, 3349070, 6698140]

約数ペア:

[(1, 6698140), (2, 3349070), (4, 1674535), (5, 1339628), (10, 669814), (20, 334907), (53, 126380), (71, 94340), (89, 75260), (106, 63190), (142, 47170), (178, 37630), (212, 31595), (265, 25276), (284, 23585), (355, 18868), (356, 18815), (445, 15052), (530, 12638), (710, 9434), (890, 7526), (1060, 6319), (1420, 4717), (1780, 3763)]