173678180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2917}}^1$

素因数の和:3168

約数の個数: 48

約数和(自身を含む): 394630320

約数和(自身を除く): 220952140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 916, 1145, 2290, 2917, 2977, 4580, 5834, 5954, 11668, 11908, 14585, 14885, 29170, 29770, 37921, 58340, 59540, 75842, 151684, 189605, 379210, 667993, 758420, 1335986, 2671972, 3339965, 6679930, 8683909, 13359860, 17367818, 34735636, 43419545, 86839090, 173678180]

約数ペア:

[(1, 173678180), (2, 86839090), (4, 43419545), (5, 34735636), (10, 17367818), (13, 13359860), (20, 8683909), (26, 6679930), (52, 3339965), (65, 2671972), (130, 1335986), (229, 758420), (260, 667993), (458, 379210), (916, 189605), (1145, 151684), (2290, 75842), (2917, 59540), (2977, 58340), (4580, 37921), (5834, 29770), (5954, 29170), (11668, 14885), (11908, 14585)]