201373840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{563}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 498503808

約数和(自身を除く): 297129968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 263, 272, 340, 526, 563, 680, 1052, 1126, 1315, 1360, 2104, 2252, 2630, 2815, 4208, 4471, 4504, 5260, 5630, 8942, 9008, 9571, 10520, 11260, 17884, 19142, 21040, 22355, 22520, 35768, 38284, 44710, 45040, 47855, 71536, 76568, 89420, 95710, 148069, 153136, 178840, 191420, 296138, 357680, 382840, 592276, 740345, 765680, 1184552, 1480690, 2369104, 2517173, 2961380, 5034346, 5922760, 10068692, 11845520, 12585865, 20137384, 25171730, 40274768, 50343460, 100686920, 201373840]

約数ペア:

[(1, 201373840), (2, 100686920), (4, 50343460), (5, 40274768), (8, 25171730), (10, 20137384), (16, 12585865), (17, 11845520), (20, 10068692), (34, 5922760), (40, 5034346), (68, 2961380), (80, 2517173), (85, 2369104), (136, 1480690), (170, 1184552), (263, 765680), (272, 740345), (340, 592276), (526, 382840), (563, 357680), (680, 296138), (1052, 191420), (1126, 178840), (1315, 153136), (1360, 148069), (2104, 95710), (2252, 89420), (2630, 76568), (2815, 71536), (4208, 47855), (4471, 45040), (4504, 44710), (5260, 38284), (5630, 35768), (8942, 22520), (9008, 22355), (9571, 21040), (10520, 19142), (11260, 17884)]