149747220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6991}}^1$

素因数の和:7030

約数の個数: 144

約数和(自身を含む): 549739008

約数和(自身を除く): 399991788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 6991, 7140, 10710, 13982, 20973, 21420, 27964, 34955, 41946, 48937, 62919, 69910, 83892, 97874, 104865, 118847, 125838, 139820, 146811, 195748, 209730, 237694, 244685, 251676, 293622, 314595, 356541, 419460, 440433, 475388, 489370, 587244, 594235, 629190, 713082, 734055, 831929, 880866, 978740, 1069623, 1188470, 1258380, 1426164, 1468110, 1663858, 1761732, 1782705, 2139246, 2202165, 2376940, 2495787, 2936220, 3327716, 3565410, 4159645, 4278492, 4404330, 4991574, 5348115, 7130820, 7487361, 8319290, 8808660, 9983148, 10696230, 12478935, 14974722, 16638580, 21392460, 24957870, 29949444, 37436805, 49915740, 74873610, 149747220]

約数ペア:

[(1, 149747220), (2, 74873610), (3, 49915740), (4, 37436805), (5, 29949444), (6, 24957870), (7, 21392460), (9, 16638580), (10, 14974722), (12, 12478935), (14, 10696230), (15, 9983148), (17, 8808660), (18, 8319290), (20, 7487361), (21, 7130820), (28, 5348115), (30, 4991574), (34, 4404330), (35, 4278492), (36, 4159645), (42, 3565410), (45, 3327716), (51, 2936220), (60, 2495787), (63, 2376940), (68, 2202165), (70, 2139246), (84, 1782705), (85, 1761732), (90, 1663858), (102, 1468110), (105, 1426164), (119, 1258380), (126, 1188470), (140, 1069623), (153, 978740), (170, 880866), (180, 831929), (204, 734055), (210, 713082), (238, 629190), (252, 594235), (255, 587244), (306, 489370), (315, 475388), (340, 440433), (357, 419460), (420, 356541), (476, 314595), (510, 293622), (595, 251676), (612, 244685), (630, 237694), (714, 209730), (765, 195748), (1020, 146811), (1071, 139820), (1190, 125838), (1260, 118847), (1428, 104865), (1530, 97874), (1785, 83892), (2142, 69910), (2380, 62919), (3060, 48937), (3570, 41946), (4284, 34955), (5355, 27964), (6991, 21420), (7140, 20973), (10710, 13982)]