210865610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 423256320

約数和(自身を除く): 212390710

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 73, 95, 115, 146, 190, 230, 365, 437, 661, 730, 874, 1322, 1387, 1679, 2185, 2774, 3305, 3358, 4370, 6610, 6935, 8395, 12559, 13870, 15203, 16790, 25118, 30406, 31901, 48253, 62795, 63802, 76015, 96506, 125590, 152030, 159505, 241265, 288857, 319010, 482530, 577714, 916807, 1109819, 1444285, 1833614, 2219638, 2888570, 4584035, 5549095, 9168070, 11098190, 21086561, 42173122, 105432805, 210865610]

約数ペア:

[(1, 210865610), (2, 105432805), (5, 42173122), (10, 21086561), (19, 11098190), (23, 9168070), (38, 5549095), (46, 4584035), (73, 2888570), (95, 2219638), (115, 1833614), (146, 1444285), (190, 1109819), (230, 916807), (365, 577714), (437, 482530), (661, 319010), (730, 288857), (874, 241265), (1322, 159505), (1387, 152030), (1679, 125590), (2185, 96506), (2774, 76015), (3305, 63802), (3358, 62795), (4370, 48253), (6610, 31901), (6935, 30406), (8395, 25118), (12559, 16790), (13870, 15203)]