208447960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{15193}}^1$

素因数の和:15225

約数の個数: 64

約数和(自身を含む): 546984000

約数和(自身を除く): 338536040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 15193, 30386, 60772, 75965, 106351, 121544, 151930, 212702, 303860, 425404, 531755, 607720, 744457, 850808, 1063510, 1488914, 2127020, 2977828, 3722285, 4254040, 5211199, 5955656, 7444570, 10422398, 14889140, 20844796, 26055995, 29778280, 41689592, 52111990, 104223980, 208447960]

約数ペア:

[(1, 208447960), (2, 104223980), (4, 52111990), (5, 41689592), (7, 29778280), (8, 26055995), (10, 20844796), (14, 14889140), (20, 10422398), (28, 7444570), (35, 5955656), (40, 5211199), (49, 4254040), (56, 3722285), (70, 2977828), (98, 2127020), (140, 1488914), (196, 1063510), (245, 850808), (280, 744457), (343, 607720), (392, 531755), (490, 425404), (686, 303860), (980, 212702), (1372, 151930), (1715, 121544), (1960, 106351), (2744, 75965), (3430, 60772), (6860, 30386), (13720, 15193)]