156840910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1753}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 295513920

約数和(自身を除く): 138673010

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 389, 778, 1753, 1945, 3506, 3890, 8765, 8947, 17530, 17894, 40319, 44735, 80638, 89470, 201595, 403190, 681917, 1363834, 3409585, 6819170, 15684091, 31368182, 78420455, 156840910]

約数ペア:

[(1, 156840910), (2, 78420455), (5, 31368182), (10, 15684091), (23, 6819170), (46, 3409585), (115, 1363834), (230, 681917), (389, 403190), (778, 201595), (1753, 89470), (1945, 80638), (3506, 44735), (3890, 40319), (8765, 17894), (8947, 17530)]