68749460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{941}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 156198672

約数和(自身を除く): 87449212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 562, 941, 1124, 1405, 1882, 2810, 3653, 3764, 4705, 5620, 7306, 9410, 12233, 14612, 18265, 18820, 24466, 36530, 48932, 61165, 73060, 122330, 244660, 264421, 528842, 1057684, 1322105, 2644210, 3437473, 5288420, 6874946, 13749892, 17187365, 34374730, 68749460]

約数ペア:

[(1, 68749460), (2, 34374730), (4, 17187365), (5, 13749892), (10, 6874946), (13, 5288420), (20, 3437473), (26, 2644210), (52, 1322105), (65, 1057684), (130, 528842), (260, 264421), (281, 244660), (562, 122330), (941, 73060), (1124, 61165), (1405, 48932), (1882, 36530), (2810, 24466), (3653, 18820), (3764, 18265), (4705, 14612), (5620, 12233), (7306, 9410)]