78995570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 151101720

約数和(自身を除く): 72106150

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 137, 218, 230, 274, 529, 545, 685, 1058, 1090, 1370, 2507, 2645, 3151, 5014, 5290, 6302, 12535, 14933, 15755, 25070, 29866, 31510, 57661, 72473, 74665, 115322, 144946, 149330, 288305, 343459, 362365, 576610, 686918, 724730, 1717295, 3434590, 7899557, 15799114, 39497785, 78995570]

約数ペア:

[(1, 78995570), (2, 39497785), (5, 15799114), (10, 7899557), (23, 3434590), (46, 1717295), (109, 724730), (115, 686918), (137, 576610), (218, 362365), (230, 343459), (274, 288305), (529, 149330), (545, 144946), (685, 115322), (1058, 74665), (1090, 72473), (1370, 57661), (2507, 31510), (2645, 29866), (3151, 25070), (5014, 15755), (5290, 14933), (6302, 12535)]