145251440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78941}}^1$

素因数の和:78977

約数の個数: 40

約数和(自身を含む): 352397088

約数和(自身を除く): 207145648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 78941, 157882, 315764, 394705, 631528, 789410, 1263056, 1578820, 1815643, 3157640, 3631286, 6315280, 7262572, 9078215, 14525144, 18156430, 29050288, 36312860, 72625720, 145251440]

約数ペア:

[(1, 145251440), (2, 72625720), (4, 36312860), (5, 29050288), (8, 18156430), (10, 14525144), (16, 9078215), (20, 7262572), (23, 6315280), (40, 3631286), (46, 3157640), (80, 1815643), (92, 1578820), (115, 1263056), (184, 789410), (230, 631528), (368, 394705), (460, 315764), (920, 157882), (1840, 78941)]