1490071720

素因数分解:

$2^3\times 5^1\times {\mathrm{733}}^1\times {\mathrm{50821}}^1$

素因数の和:51565

約数の個数: 32

約数和(自身を含む): 3357301320

約数和(自身を除く): 1867229600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 733, 1466, 2932, 3665, 5864, 7330, 14660, 29320, 50821, 101642, 203284, 254105, 406568, 508210, 1016420, 2032840, 37251793, 74503586, 149007172, 186258965, 298014344, 372517930, 745035860, 1490071720]

約数ペア:

[(1, 1490071720), (2, 745035860), (4, 372517930), (5, 298014344), (8, 186258965), (10, 149007172), (20, 74503586), (40, 37251793), (733, 2032840), (1466, 1016420), (2932, 508210), (3665, 406568), (5864, 254105), (7330, 203284), (14660, 101642), (29320, 50821)]