991315360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{885103}}^1$

素因数の和:885125

約数の個数: 48

約数和(自身を含む): 2676554496

約数和(自身を除く): 1685239136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 885103, 1770206, 3540412, 4425515, 6195721, 7080824, 8851030, 12391442, 14161648, 17702060, 24782884, 28323296, 30978605, 35404120, 49565768, 61957210, 70808240, 99131536, 123914420, 141616480, 198263072, 247828840, 495657680, 991315360]

約数ペア:

[(1, 991315360), (2, 495657680), (4, 247828840), (5, 198263072), (7, 141616480), (8, 123914420), (10, 99131536), (14, 70808240), (16, 61957210), (20, 49565768), (28, 35404120), (32, 30978605), (35, 28323296), (40, 24782884), (56, 17702060), (70, 14161648), (80, 12391442), (112, 8851030), (140, 7080824), (160, 6195721), (224, 4425515), (280, 3540412), (560, 1770206), (1120, 885103)]