72980368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 149454720

約数和(自身を除く): 76474352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 431, 557, 862, 1114, 1724, 2228, 3448, 4456, 6896, 8189, 8912, 10583, 16378, 21166, 32756, 42332, 65512, 84664, 131024, 169328, 240067, 480134, 960268, 1920536, 3841072, 4561273, 9122546, 18245092, 36490184, 72980368]

約数ペア:

[(1, 72980368), (2, 36490184), (4, 18245092), (8, 9122546), (16, 4561273), (19, 3841072), (38, 1920536), (76, 960268), (152, 480134), (304, 240067), (431, 169328), (557, 131024), (862, 84664), (1114, 65512), (1724, 42332), (2228, 32756), (3448, 21166), (4456, 16378), (6896, 10583), (8189, 8912)]