287718140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{7351}}^1$

素因数の和:7482

約数の個数: 48

約数和(自身を含む): 642270720

約数和(自身を除く): 354552580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3914, 7351, 7828, 9785, 14702, 19570, 29404, 36755, 39140, 73510, 139669, 147020, 279338, 558676, 698345, 757153, 1396690, 1514306, 2793380, 3028612, 3785765, 7571530, 14385907, 15143060, 28771814, 57543628, 71929535, 143859070, 287718140]

約数ペア:

[(1, 287718140), (2, 143859070), (4, 71929535), (5, 57543628), (10, 28771814), (19, 15143060), (20, 14385907), (38, 7571530), (76, 3785765), (95, 3028612), (103, 2793380), (190, 1514306), (206, 1396690), (380, 757153), (412, 698345), (515, 558676), (1030, 279338), (1957, 147020), (2060, 139669), (3914, 73510), (7351, 39140), (7828, 36755), (9785, 29404), (14702, 19570)]