156965860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1\times {\mathrm{397}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 337596336

約数和(自身を除く): 180630476

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 373, 397, 530, 746, 794, 1060, 1492, 1588, 1865, 1985, 3730, 3970, 7460, 7940, 19769, 21041, 39538, 42082, 79076, 84164, 98845, 105205, 148081, 197690, 210410, 296162, 395380, 420820, 592324, 740405, 1480810, 2961620, 7848293, 15696586, 31393172, 39241465, 78482930, 156965860]

約数ペア:

[(1, 156965860), (2, 78482930), (4, 39241465), (5, 31393172), (10, 15696586), (20, 7848293), (53, 2961620), (106, 1480810), (212, 740405), (265, 592324), (373, 420820), (397, 395380), (530, 296162), (746, 210410), (794, 197690), (1060, 148081), (1492, 105205), (1588, 98845), (1865, 84164), (1985, 79076), (3730, 42082), (3970, 39538), (7460, 21041), (7940, 19769)]