220171240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1069}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 523872000

約数和(自身を除く): 303700760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 271, 380, 542, 760, 1069, 1084, 1355, 2138, 2168, 2710, 4276, 5149, 5345, 5420, 8552, 10298, 10690, 10840, 20311, 20596, 21380, 25745, 40622, 41192, 42760, 51490, 81244, 101555, 102980, 162488, 203110, 205960, 289699, 406220, 579398, 812440, 1158796, 1448495, 2317592, 2896990, 5504281, 5793980, 11008562, 11587960, 22017124, 27521405, 44034248, 55042810, 110085620, 220171240]

約数ペア:

[(1, 220171240), (2, 110085620), (4, 55042810), (5, 44034248), (8, 27521405), (10, 22017124), (19, 11587960), (20, 11008562), (38, 5793980), (40, 5504281), (76, 2896990), (95, 2317592), (152, 1448495), (190, 1158796), (271, 812440), (380, 579398), (542, 406220), (760, 289699), (1069, 205960), (1084, 203110), (1355, 162488), (2138, 102980), (2168, 101555), (2710, 81244), (4276, 51490), (5149, 42760), (5345, 41192), (5420, 40622), (8552, 25745), (10298, 21380), (10690, 20596), (10840, 20311)]