19467700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 108

約数和(自身を含む): 51207660

約数和(自身を除く): 31739960

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 49, 50, 58, 70, 98, 100, 116, 137, 140, 145, 175, 196, 203, 245, 274, 290, 350, 406, 490, 548, 580, 685, 700, 725, 812, 959, 980, 1015, 1225, 1370, 1421, 1450, 1918, 2030, 2450, 2740, 2842, 2900, 3425, 3836, 3973, 4060, 4795, 4900, 5075, 5684, 6713, 6850, 7105, 7946, 9590, 10150, 13426, 13700, 14210, 15892, 19180, 19865, 20300, 23975, 26852, 27811, 28420, 33565, 35525, 39730, 47950, 55622, 67130, 71050, 79460, 95900, 99325, 111244, 134260, 139055, 142100, 167825, 194677, 198650, 278110, 335650, 389354, 397300, 556220, 671300, 695275, 778708, 973385, 1390550, 1946770, 2781100, 3893540, 4866925, 9733850, 19467700]

約数ペア:

[(1, 19467700), (2, 9733850), (4, 4866925), (5, 3893540), (7, 2781100), (10, 1946770), (14, 1390550), (20, 973385), (25, 778708), (28, 695275), (29, 671300), (35, 556220), (49, 397300), (50, 389354), (58, 335650), (70, 278110), (98, 198650), (100, 194677), (116, 167825), (137, 142100), (140, 139055), (145, 134260), (175, 111244), (196, 99325), (203, 95900), (245, 79460), (274, 71050), (290, 67130), (350, 55622), (406, 47950), (490, 39730), (548, 35525), (580, 33565), (685, 28420), (700, 27811), (725, 26852), (812, 23975), (959, 20300), (980, 19865), (1015, 19180), (1225, 15892), (1370, 14210), (1421, 13700), (1450, 13426), (1918, 10150), (2030, 9590), (2450, 7946), (2740, 7105), (2842, 6850), (2900, 6713), (3425, 5684), (3836, 5075), (3973, 4900), (4060, 4795)]