219111340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9721}}^1$

素因数の和:9767

約数の個数: 72

約数和(自身を含む): 558587232

約数和(自身を除く): 339475892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 9721, 11270, 19442, 22540, 38884, 48605, 68047, 97210, 136094, 194420, 223583, 272188, 340235, 447166, 476329, 680470, 894332, 952658, 1117915, 1360940, 1565081, 1905316, 2235830, 2381645, 3130162, 4471660, 4763290, 6260324, 7825405, 9526580, 10955567, 15650810, 21911134, 31301620, 43822268, 54777835, 109555670, 219111340]

約数ペア:

[(1, 219111340), (2, 109555670), (4, 54777835), (5, 43822268), (7, 31301620), (10, 21911134), (14, 15650810), (20, 10955567), (23, 9526580), (28, 7825405), (35, 6260324), (46, 4763290), (49, 4471660), (70, 3130162), (92, 2381645), (98, 2235830), (115, 1905316), (140, 1565081), (161, 1360940), (196, 1117915), (230, 952658), (245, 894332), (322, 680470), (460, 476329), (490, 447166), (644, 340235), (805, 272188), (980, 223583), (1127, 194420), (1610, 136094), (2254, 97210), (3220, 68047), (4508, 48605), (5635, 38884), (9721, 22540), (11270, 19442)]