79870420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 208680192

約数和(自身を除く): 128809772

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 37, 68, 70, 74, 85, 119, 140, 148, 170, 185, 238, 259, 340, 370, 476, 518, 595, 629, 740, 907, 1036, 1190, 1258, 1295, 1814, 2380, 2516, 2590, 3145, 3628, 4403, 4535, 5180, 6290, 6349, 8806, 9070, 12580, 12698, 15419, 17612, 18140, 22015, 25396, 30838, 31745, 33559, 44030, 61676, 63490, 67118, 77095, 88060, 107933, 126980, 134236, 154190, 167795, 215866, 234913, 308380, 335590, 431732, 469826, 539665, 570503, 671180, 939652, 1079330, 1141006, 1174565, 2158660, 2282012, 2349130, 2852515, 3993521, 4698260, 5705030, 7987042, 11410060, 15974084, 19967605, 39935210, 79870420]

約数ペア:

[(1, 79870420), (2, 39935210), (4, 19967605), (5, 15974084), (7, 11410060), (10, 7987042), (14, 5705030), (17, 4698260), (20, 3993521), (28, 2852515), (34, 2349130), (35, 2282012), (37, 2158660), (68, 1174565), (70, 1141006), (74, 1079330), (85, 939652), (119, 671180), (140, 570503), (148, 539665), (170, 469826), (185, 431732), (238, 335590), (259, 308380), (340, 234913), (370, 215866), (476, 167795), (518, 154190), (595, 134236), (629, 126980), (740, 107933), (907, 88060), (1036, 77095), (1190, 67118), (1258, 63490), (1295, 61676), (1814, 44030), (2380, 33559), (2516, 31745), (2590, 30838), (3145, 25396), (3628, 22015), (4403, 18140), (4535, 17612), (5180, 15419), (6290, 12698), (6349, 12580), (8806, 9070)]