636534440

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{148723}}^1$

素因数の和:148841

約数の個数: 32

約数和(自身を含む): 1445597280

約数和(自身を除く): 809062840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 148723, 297446, 594892, 743615, 1189784, 1487230, 2974460, 5948920, 15913361, 31826722, 63653444, 79566805, 127306888, 159133610, 318267220, 636534440]

約数ペア:

[(1, 636534440), (2, 318267220), (4, 159133610), (5, 127306888), (8, 79566805), (10, 63653444), (20, 31826722), (40, 15913361), (107, 5948920), (214, 2974460), (428, 1487230), (535, 1189784), (856, 743615), (1070, 594892), (2140, 297446), (4280, 148723)]