820038170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{577}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 1717908480

約数和(自身を除く): 897870310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 257, 395, 514, 553, 577, 790, 1106, 1154, 1285, 1799, 2570, 2765, 2885, 3598, 4039, 5530, 5770, 8078, 8995, 17990, 20195, 20303, 40390, 40606, 45583, 91166, 101515, 142121, 148289, 203030, 227915, 284242, 296578, 319081, 455830, 638162, 710605, 741445, 1038023, 1421210, 1482890, 1595405, 2076046, 3190810, 5190115, 10380230, 11714831, 23429662, 58574155, 82003817, 117148310, 164007634, 410019085, 820038170]

約数ペア:

[(1, 820038170), (2, 410019085), (5, 164007634), (7, 117148310), (10, 82003817), (14, 58574155), (35, 23429662), (70, 11714831), (79, 10380230), (158, 5190115), (257, 3190810), (395, 2076046), (514, 1595405), (553, 1482890), (577, 1421210), (790, 1038023), (1106, 741445), (1154, 710605), (1285, 638162), (1799, 455830), (2570, 319081), (2765, 296578), (2885, 284242), (3598, 227915), (4039, 203030), (5530, 148289), (5770, 142121), (8078, 101515), (8995, 91166), (17990, 45583), (20195, 40606), (20303, 40390)]