139913620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12979}}^1$

素因数の和:13013

約数の個数: 72

約数和(自身を含む): 372889440

約数和(自身を除く): 232975820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 12979, 25958, 51916, 64895, 90853, 129790, 142769, 181706, 259580, 285538, 363412, 454265, 571076, 635971, 713845, 908530, 999383, 1271942, 1427690, 1817060, 1998766, 2543884, 2855380, 3179855, 3997532, 4996915, 6359710, 6995681, 9993830, 12719420, 13991362, 19987660, 27982724, 34978405, 69956810, 139913620]

約数ペア:

[(1, 139913620), (2, 69956810), (4, 34978405), (5, 27982724), (7, 19987660), (10, 13991362), (11, 12719420), (14, 9993830), (20, 6995681), (22, 6359710), (28, 4996915), (35, 3997532), (44, 3179855), (49, 2855380), (55, 2543884), (70, 1998766), (77, 1817060), (98, 1427690), (110, 1271942), (140, 999383), (154, 908530), (196, 713845), (220, 635971), (245, 571076), (308, 454265), (385, 363412), (490, 285538), (539, 259580), (770, 181706), (980, 142769), (1078, 129790), (1540, 90853), (2156, 64895), (2695, 51916), (5390, 25958), (10780, 12979)]