201901840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4051}}^1$

素因数の和:4160

約数の個数: 80

約数和(自身を含む): 542643840

約数和(自身を除く): 340742000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4051, 4984, 6230, 7120, 8102, 9968, 12460, 16204, 20255, 24920, 28357, 32408, 40510, 49840, 56714, 64816, 81020, 113428, 141785, 162040, 226856, 283570, 324080, 360539, 453712, 567140, 721078, 1134280, 1442156, 1802695, 2268560, 2523773, 2884312, 3605390, 5047546, 5768624, 7210780, 10095092, 12618865, 14421560, 20190184, 25237730, 28843120, 40380368, 50475460, 100950920, 201901840]

約数ペア:

[(1, 201901840), (2, 100950920), (4, 50475460), (5, 40380368), (7, 28843120), (8, 25237730), (10, 20190184), (14, 14421560), (16, 12618865), (20, 10095092), (28, 7210780), (35, 5768624), (40, 5047546), (56, 3605390), (70, 2884312), (80, 2523773), (89, 2268560), (112, 1802695), (140, 1442156), (178, 1134280), (280, 721078), (356, 567140), (445, 453712), (560, 360539), (623, 324080), (712, 283570), (890, 226856), (1246, 162040), (1424, 141785), (1780, 113428), (2492, 81020), (3115, 64816), (3560, 56714), (4051, 49840), (4984, 40510), (6230, 32408), (7120, 28357), (8102, 24920), (9968, 20255), (12460, 16204)]