2000533640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{18367}}^1$

素因数の和:18774

約数の個数: 64

約数和(自身を含む): 5157734400

約数和(自身を除く): 3157200760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 778, 1556, 1945, 2723, 3112, 3890, 5446, 7780, 10892, 13615, 15560, 18367, 21784, 27230, 36734, 54460, 73468, 91835, 108920, 128569, 146936, 183670, 257138, 367340, 514276, 642845, 734680, 1028552, 1285690, 2571380, 5142760, 7144763, 14289526, 28579052, 35723815, 50013341, 57158104, 71447630, 100026682, 142895260, 200053364, 250066705, 285790520, 400106728, 500133410, 1000266820, 2000533640]

約数ペア:

[(1, 2000533640), (2, 1000266820), (4, 500133410), (5, 400106728), (7, 285790520), (8, 250066705), (10, 200053364), (14, 142895260), (20, 100026682), (28, 71447630), (35, 57158104), (40, 50013341), (56, 35723815), (70, 28579052), (140, 14289526), (280, 7144763), (389, 5142760), (778, 2571380), (1556, 1285690), (1945, 1028552), (2723, 734680), (3112, 642845), (3890, 514276), (5446, 367340), (7780, 257138), (10892, 183670), (13615, 146936), (15560, 128569), (18367, 108920), (21784, 91835), (27230, 73468), (36734, 54460)]