290671360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{32441}}^1$

素因数の和:32469

約数の個数: 72

約数和(自身を含む): 795737376

約数和(自身を除く): 505066016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 32441, 64882, 129764, 162205, 227087, 259528, 324410, 454174, 519056, 648820, 908348, 1038112, 1135435, 1297640, 1816696, 2076224, 2270870, 2595280, 3633392, 4152448, 4541740, 5190560, 7266784, 8304896, 9083480, 10381120, 14533568, 18166960, 20762240, 29067136, 36333920, 41524480, 58134272, 72667840, 145335680, 290671360]

約数ペア:

[(1, 290671360), (2, 145335680), (4, 72667840), (5, 58134272), (7, 41524480), (8, 36333920), (10, 29067136), (14, 20762240), (16, 18166960), (20, 14533568), (28, 10381120), (32, 9083480), (35, 8304896), (40, 7266784), (56, 5190560), (64, 4541740), (70, 4152448), (80, 3633392), (112, 2595280), (128, 2270870), (140, 2076224), (160, 1816696), (224, 1297640), (256, 1135435), (280, 1038112), (320, 908348), (448, 648820), (560, 519056), (640, 454174), (896, 324410), (1120, 259528), (1280, 227087), (1792, 162205), (2240, 129764), (4480, 64882), (8960, 32441)]