200979366920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6091}}^1\times {\mathrm{13523}}^1$

素因数の和:19686

約数の個数: 64

約数和(自身を含む): 459726200640

約数和(自身を除く): 258746833720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6091, 12182, 13523, 24364, 27046, 30455, 48728, 54092, 60910, 67615, 108184, 121820, 135230, 243640, 270460, 371551, 540920, 743102, 824903, 1486204, 1649806, 1857755, 2972408, 3299612, 3715510, 4124515, 6599224, 7431020, 8249030, 14862040, 16498060, 32996120, 82368593, 164737186, 329474372, 411842965, 658948744, 823685930, 1647371860, 3294743720, 5024484173, 10048968346, 20097936692, 25122420865, 40195873384, 50244841730, 100489683460, 200979366920]

約数ペア:

[(1, 200979366920), (2, 100489683460), (4, 50244841730), (5, 40195873384), (8, 25122420865), (10, 20097936692), (20, 10048968346), (40, 5024484173), (61, 3294743720), (122, 1647371860), (244, 823685930), (305, 658948744), (488, 411842965), (610, 329474372), (1220, 164737186), (2440, 82368593), (6091, 32996120), (12182, 16498060), (13523, 14862040), (24364, 8249030), (27046, 7431020), (30455, 6599224), (48728, 4124515), (54092, 3715510), (60910, 3299612), (67615, 2972408), (108184, 1857755), (121820, 1649806), (135230, 1486204), (243640, 824903), (270460, 743102), (371551, 540920)]