29086220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 34417780

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 449, 790, 820, 898, 1580, 1796, 2245, 3239, 4490, 6478, 8980, 12956, 16195, 18409, 32390, 35471, 36818, 64780, 70942, 73636, 92045, 141884, 177355, 184090, 354710, 368180, 709420, 1454311, 2908622, 5817244, 7271555, 14543110, 29086220]

約数ペア:

[(1, 29086220), (2, 14543110), (4, 7271555), (5, 5817244), (10, 2908622), (20, 1454311), (41, 709420), (79, 368180), (82, 354710), (158, 184090), (164, 177355), (205, 141884), (316, 92045), (395, 73636), (410, 70942), (449, 64780), (790, 36818), (820, 35471), (898, 32390), (1580, 18409), (1796, 16195), (2245, 12956), (3239, 8980), (4490, 6478)]