80663800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{8231}}^1$

素因数の和:8261

約数の個数: 72

約数和(自身を含む): 218189160

約数和(自身を除く): 137525360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 8231, 9800, 16462, 32924, 41155, 57617, 65848, 82310, 115234, 164620, 205775, 230468, 288085, 329240, 403319, 411550, 460936, 576170, 806638, 823100, 1152340, 1440425, 1613276, 1646200, 2016595, 2304680, 2880850, 3226552, 4033190, 5761700, 8066380, 10082975, 11523400, 16132760, 20165950, 40331900, 80663800]

約数ペア:

[(1, 80663800), (2, 40331900), (4, 20165950), (5, 16132760), (7, 11523400), (8, 10082975), (10, 8066380), (14, 5761700), (20, 4033190), (25, 3226552), (28, 2880850), (35, 2304680), (40, 2016595), (49, 1646200), (50, 1613276), (56, 1440425), (70, 1152340), (98, 823100), (100, 806638), (140, 576170), (175, 460936), (196, 411550), (200, 403319), (245, 329240), (280, 288085), (350, 230468), (392, 205775), (490, 164620), (700, 115234), (980, 82310), (1225, 65848), (1400, 57617), (1960, 41155), (2450, 32924), (4900, 16462), (8231, 9800)]