320199320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{163367}}^1$

素因数の和:163392

約数の個数: 48

約数和(自身を含む): 838077840

約数和(自身を除く): 517878520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 163367, 326734, 653468, 816835, 1143569, 1306936, 1633670, 2287138, 3267340, 4574276, 5717845, 6534680, 8004983, 9148552, 11435690, 16009966, 22871380, 32019932, 40024915, 45742760, 64039864, 80049830, 160099660, 320199320]

約数ペア:

[(1, 320199320), (2, 160099660), (4, 80049830), (5, 64039864), (7, 45742760), (8, 40024915), (10, 32019932), (14, 22871380), (20, 16009966), (28, 11435690), (35, 9148552), (40, 8004983), (49, 6534680), (56, 5717845), (70, 4574276), (98, 3267340), (140, 2287138), (196, 1633670), (245, 1306936), (280, 1143569), (392, 816835), (490, 653468), (980, 326734), (1960, 163367)]