9155110100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{20161}}^1$

素因数の和:20433

約数の個数: 72

約数和(自身を含む): 21000739200

約数和(自身を除く): 11845629100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 239, 380, 475, 478, 950, 956, 1195, 1900, 2390, 4541, 4780, 5975, 9082, 11950, 18164, 20161, 22705, 23900, 40322, 45410, 80644, 90820, 100805, 113525, 201610, 227050, 383059, 403220, 454100, 504025, 766118, 1008050, 1532236, 1915295, 2016100, 3830590, 4818479, 7661180, 9576475, 9636958, 19152950, 19273916, 24092395, 38305900, 48184790, 91551101, 96369580, 120461975, 183102202, 240923950, 366204404, 457755505, 481847900, 915511010, 1831022020, 2288777525, 4577555050, 9155110100]

約数ペア:

[(1, 9155110100), (2, 4577555050), (4, 2288777525), (5, 1831022020), (10, 915511010), (19, 481847900), (20, 457755505), (25, 366204404), (38, 240923950), (50, 183102202), (76, 120461975), (95, 96369580), (100, 91551101), (190, 48184790), (239, 38305900), (380, 24092395), (475, 19273916), (478, 19152950), (950, 9636958), (956, 9576475), (1195, 7661180), (1900, 4818479), (2390, 3830590), (4541, 2016100), (4780, 1915295), (5975, 1532236), (9082, 1008050), (11950, 766118), (18164, 504025), (20161, 454100), (22705, 403220), (23900, 383059), (40322, 227050), (45410, 201610), (80644, 113525), (90820, 100805)]