1220380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 3064320

約数和(自身を除く): 1843940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 379, 460, 644, 758, 805, 1516, 1610, 1895, 2653, 3220, 3790, 5306, 7580, 8717, 10612, 13265, 17434, 26530, 34868, 43585, 53060, 61019, 87170, 122038, 174340, 244076, 305095, 610190, 1220380]

約数ペア:

[(1, 1220380), (2, 610190), (4, 305095), (5, 244076), (7, 174340), (10, 122038), (14, 87170), (20, 61019), (23, 53060), (28, 43585), (35, 34868), (46, 26530), (70, 17434), (92, 13265), (115, 10612), (140, 8717), (161, 7580), (230, 5306), (322, 3790), (379, 3220), (460, 2653), (644, 1895), (758, 1610), (805, 1516)]