2019958000

素因数分解:

$2^4\times 5^3\times {\mathrm{421}}^1\times {\mathrm{2399}}^1$

素因数の和:2843

約数の個数: 80

約数和(自身を含む): 4897900800

約数和(自身を除く): 2877942800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 421, 500, 842, 1000, 1684, 2000, 2105, 2399, 3368, 4210, 4798, 6736, 8420, 9596, 10525, 11995, 16840, 19192, 21050, 23990, 33680, 38384, 42100, 47980, 52625, 59975, 84200, 95960, 105250, 119950, 168400, 191920, 210500, 239900, 299875, 421000, 479800, 599750, 842000, 959600, 1009979, 1199500, 2019958, 2399000, 4039916, 4798000, 5049895, 8079832, 10099790, 16159664, 20199580, 25249475, 40399160, 50498950, 80798320, 100997900, 126247375, 201995800, 252494750, 403991600, 504989500, 1009979000, 2019958000]

約数ペア:

[(1, 2019958000), (2, 1009979000), (4, 504989500), (5, 403991600), (8, 252494750), (10, 201995800), (16, 126247375), (20, 100997900), (25, 80798320), (40, 50498950), (50, 40399160), (80, 25249475), (100, 20199580), (125, 16159664), (200, 10099790), (250, 8079832), (400, 5049895), (421, 4798000), (500, 4039916), (842, 2399000), (1000, 2019958), (1684, 1199500), (2000, 1009979), (2105, 959600), (2399, 842000), (3368, 599750), (4210, 479800), (4798, 421000), (6736, 299875), (8420, 239900), (9596, 210500), (10525, 191920), (11995, 168400), (16840, 119950), (19192, 105250), (21050, 95960), (23990, 84200), (33680, 59975), (38384, 52625), (42100, 47980)]