201842960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{661}}^1$

素因数の和:1032

約数の個数: 80

約数和(自身を含む): 514199232

約数和(自身を除く): 312356272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 347, 440, 661, 694, 880, 1322, 1388, 1735, 2644, 2776, 3305, 3470, 3817, 5288, 5552, 6610, 6940, 7271, 7634, 10576, 13220, 13880, 14542, 15268, 19085, 26440, 27760, 29084, 30536, 36355, 38170, 52880, 58168, 61072, 72710, 76340, 116336, 145420, 152680, 229367, 290840, 305360, 458734, 581680, 917468, 1146835, 1834936, 2293670, 2523037, 3669872, 4587340, 5046074, 9174680, 10092148, 12615185, 18349360, 20184296, 25230370, 40368592, 50460740, 100921480, 201842960]

約数ペア:

[(1, 201842960), (2, 100921480), (4, 50460740), (5, 40368592), (8, 25230370), (10, 20184296), (11, 18349360), (16, 12615185), (20, 10092148), (22, 9174680), (40, 5046074), (44, 4587340), (55, 3669872), (80, 2523037), (88, 2293670), (110, 1834936), (176, 1146835), (220, 917468), (347, 581680), (440, 458734), (661, 305360), (694, 290840), (880, 229367), (1322, 152680), (1388, 145420), (1735, 116336), (2644, 76340), (2776, 72710), (3305, 61072), (3470, 58168), (3817, 52880), (5288, 38170), (5552, 36355), (6610, 30536), (6940, 29084), (7271, 27760), (7634, 26440), (10576, 19085), (13220, 15268), (13880, 14542)]