19844650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 44327520

約数和(自身を除く): 24482870

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 59, 62, 70, 118, 155, 175, 217, 295, 310, 350, 413, 434, 590, 775, 826, 961, 1085, 1475, 1550, 1829, 1922, 2065, 2170, 2950, 3658, 4130, 4805, 5425, 6727, 9145, 9610, 10325, 10850, 12803, 13454, 18290, 20650, 24025, 25606, 33635, 45725, 48050, 56699, 64015, 67270, 91450, 113398, 128030, 168175, 283495, 320075, 336350, 396893, 566990, 640150, 793786, 1417475, 1984465, 2834950, 3968930, 9922325, 19844650]

約数ペア:

[(1, 19844650), (2, 9922325), (5, 3968930), (7, 2834950), (10, 1984465), (14, 1417475), (25, 793786), (31, 640150), (35, 566990), (50, 396893), (59, 336350), (62, 320075), (70, 283495), (118, 168175), (155, 128030), (175, 113398), (217, 91450), (295, 67270), (310, 64015), (350, 56699), (413, 48050), (434, 45725), (590, 33635), (775, 25606), (826, 24025), (961, 20650), (1085, 18290), (1475, 13454), (1550, 12803), (1829, 10850), (1922, 10325), (2065, 9610), (2170, 9145), (2950, 6727), (3658, 5425), (4130, 4805)]