728082110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{81899}}^1$

素因数の和:82040

約数の個数: 32

約数和(自身を含む): 1509580800

約数和(自身を除く): 781498690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 81899, 163798, 409495, 573293, 818990, 1146586, 2866465, 5732930, 10401173, 20802346, 52005865, 72808211, 104011730, 145616422, 364041055, 728082110]

約数ペア:

[(1, 728082110), (2, 364041055), (5, 145616422), (7, 104011730), (10, 72808211), (14, 52005865), (35, 20802346), (70, 10401173), (127, 5732930), (254, 2866465), (635, 1146586), (889, 818990), (1270, 573293), (1778, 409495), (4445, 163798), (8890, 81899)]