163898420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{7753}}^1$

素因数の和:7920

約数の個数: 48

約数和(自身を含む): 396012288

約数和(自身を除く): 232113868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 3020, 4228, 5285, 7753, 10570, 15506, 21140, 31012, 38765, 54271, 77530, 108542, 155060, 217084, 271355, 542710, 1085420, 1170703, 2341406, 4682812, 5853515, 8194921, 11707030, 16389842, 23414060, 32779684, 40974605, 81949210, 163898420]

約数ペア:

[(1, 163898420), (2, 81949210), (4, 40974605), (5, 32779684), (7, 23414060), (10, 16389842), (14, 11707030), (20, 8194921), (28, 5853515), (35, 4682812), (70, 2341406), (140, 1170703), (151, 1085420), (302, 542710), (604, 271355), (755, 217084), (1057, 155060), (1510, 108542), (2114, 77530), (3020, 54271), (4228, 38765), (5285, 31012), (7753, 21140), (10570, 15506)]