78119210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 158004000

約数和(自身を除く): 79884790

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 109, 130, 149, 185, 218, 298, 370, 481, 545, 745, 962, 1090, 1417, 1490, 1937, 2405, 2834, 3874, 4033, 4810, 5513, 7085, 8066, 9685, 11026, 14170, 16241, 19370, 20165, 27565, 32482, 40330, 52429, 55130, 71669, 81205, 104858, 143338, 162410, 211133, 262145, 358345, 422266, 524290, 600917, 716690, 1055665, 1201834, 2111330, 3004585, 6009170, 7811921, 15623842, 39059605, 78119210]

約数ペア:

[(1, 78119210), (2, 39059605), (5, 15623842), (10, 7811921), (13, 6009170), (26, 3004585), (37, 2111330), (65, 1201834), (74, 1055665), (109, 716690), (130, 600917), (149, 524290), (185, 422266), (218, 358345), (298, 262145), (370, 211133), (481, 162410), (545, 143338), (745, 104858), (962, 81205), (1090, 71669), (1417, 55130), (1490, 52429), (1937, 40330), (2405, 32482), (2834, 27565), (3874, 20165), (4033, 19370), (4810, 16241), (5513, 14170), (7085, 11026), (8066, 9685)]