197342470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 393442560

約数和(自身を除く): 196100090

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 139, 163, 278, 326, 335, 670, 695, 815, 871, 1390, 1630, 1742, 1807, 2119, 3614, 4238, 4355, 8710, 9035, 9313, 10595, 10921, 18070, 18626, 21190, 21842, 22657, 45314, 46565, 54605, 93130, 109210, 113285, 121069, 141973, 226570, 242138, 283946, 294541, 589082, 605345, 709865, 1210690, 1419730, 1472705, 1518019, 2945410, 3036038, 7590095, 15180190, 19734247, 39468494, 98671235, 197342470]

約数ペア:

[(1, 197342470), (2, 98671235), (5, 39468494), (10, 19734247), (13, 15180190), (26, 7590095), (65, 3036038), (67, 2945410), (130, 1518019), (134, 1472705), (139, 1419730), (163, 1210690), (278, 709865), (326, 605345), (335, 589082), (670, 294541), (695, 283946), (815, 242138), (871, 226570), (1390, 141973), (1630, 121069), (1742, 113285), (1807, 109210), (2119, 93130), (3614, 54605), (4238, 46565), (4355, 45314), (8710, 22657), (9035, 21842), (9313, 21190), (10595, 18626), (10921, 18070)]