620431396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 1300561920

約数和(自身を除く): 680130524

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 47, 52, 62, 76, 94, 124, 188, 247, 403, 431, 494, 589, 611, 806, 862, 893, 988, 1178, 1222, 1457, 1612, 1724, 1786, 2356, 2444, 2914, 3572, 5603, 5828, 7657, 8189, 11206, 11609, 13361, 15314, 16378, 18941, 20257, 22412, 23218, 26722, 27683, 30628, 32756, 37882, 40514, 46436, 53444, 55366, 75764, 81028, 106457, 110732, 173693, 212914, 253859, 263341, 347386, 359879, 384883, 425828, 507718, 526682, 627967, 694772, 719758, 769766, 1015436, 1053364, 1255934, 1439516, 1539532, 2511868, 3300167, 5003479, 6600334, 8163571, 10006958, 11931373, 13200668, 16327142, 20013916, 23862746, 32654284, 47725492, 155107849, 310215698, 620431396]

約数ペア:

[(1, 620431396), (2, 310215698), (4, 155107849), (13, 47725492), (19, 32654284), (26, 23862746), (31, 20013916), (38, 16327142), (47, 13200668), (52, 11931373), (62, 10006958), (76, 8163571), (94, 6600334), (124, 5003479), (188, 3300167), (247, 2511868), (403, 1539532), (431, 1439516), (494, 1255934), (589, 1053364), (611, 1015436), (806, 769766), (862, 719758), (893, 694772), (988, 627967), (1178, 526682), (1222, 507718), (1457, 425828), (1612, 384883), (1724, 359879), (1786, 347386), (2356, 263341), (2444, 253859), (2914, 212914), (3572, 173693), (5603, 110732), (5828, 106457), (7657, 81028), (8189, 75764), (11206, 55366), (11609, 53444), (13361, 46436), (15314, 40514), (16378, 37882), (18941, 32756), (20257, 30628), (22412, 27683), (23218, 26722)]