778831300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4373}}^1$

素因数の和:4537

約数の個数: 72

約数和(自身を含む): 1833773256

約数和(自身を除く): 1054941956

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 137, 260, 274, 325, 548, 650, 685, 1300, 1370, 1781, 2740, 3425, 3562, 4373, 6850, 7124, 8746, 8905, 13700, 17492, 17810, 21865, 35620, 43730, 44525, 56849, 87460, 89050, 109325, 113698, 178100, 218650, 227396, 284245, 437300, 568490, 599101, 1136980, 1198202, 1421225, 2396404, 2842450, 2995505, 5684900, 5991010, 7788313, 11982020, 14977525, 15576626, 29955050, 31153252, 38941565, 59910100, 77883130, 155766260, 194707825, 389415650, 778831300]

約数ペア:

[(1, 778831300), (2, 389415650), (4, 194707825), (5, 155766260), (10, 77883130), (13, 59910100), (20, 38941565), (25, 31153252), (26, 29955050), (50, 15576626), (52, 14977525), (65, 11982020), (100, 7788313), (130, 5991010), (137, 5684900), (260, 2995505), (274, 2842450), (325, 2396404), (548, 1421225), (650, 1198202), (685, 1136980), (1300, 599101), (1370, 568490), (1781, 437300), (2740, 284245), (3425, 227396), (3562, 218650), (4373, 178100), (6850, 113698), (7124, 109325), (8746, 89050), (8905, 87460), (13700, 56849), (17492, 44525), (17810, 43730), (21865, 35620)]