12781300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:102

約数の個数: 108

約数和(自身を含む): 34476960

約数和(自身を除く): 21695660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 31, 35, 38, 50, 62, 70, 76, 95, 100, 124, 133, 140, 155, 175, 190, 217, 266, 310, 350, 380, 434, 475, 532, 589, 620, 665, 700, 775, 868, 950, 961, 1085, 1178, 1330, 1550, 1900, 1922, 2170, 2356, 2660, 2945, 3100, 3325, 3844, 4123, 4340, 4805, 5425, 5890, 6650, 6727, 8246, 9610, 10850, 11780, 13300, 13454, 14725, 16492, 18259, 19220, 20615, 21700, 24025, 26908, 29450, 33635, 36518, 41230, 48050, 58900, 67270, 73036, 82460, 91295, 96100, 103075, 127813, 134540, 168175, 182590, 206150, 255626, 336350, 365180, 412300, 456475, 511252, 639065, 672700, 912950, 1278130, 1825900, 2556260, 3195325, 6390650, 12781300]

約数ペア:

[(1, 12781300), (2, 6390650), (4, 3195325), (5, 2556260), (7, 1825900), (10, 1278130), (14, 912950), (19, 672700), (20, 639065), (25, 511252), (28, 456475), (31, 412300), (35, 365180), (38, 336350), (50, 255626), (62, 206150), (70, 182590), (76, 168175), (95, 134540), (100, 127813), (124, 103075), (133, 96100), (140, 91295), (155, 82460), (175, 73036), (190, 67270), (217, 58900), (266, 48050), (310, 41230), (350, 36518), (380, 33635), (434, 29450), (475, 26908), (532, 24025), (589, 21700), (620, 20615), (665, 19220), (700, 18259), (775, 16492), (868, 14725), (950, 13454), (961, 13300), (1085, 11780), (1178, 10850), (1330, 9610), (1550, 8246), (1900, 6727), (1922, 6650), (2170, 5890), (2356, 5425), (2660, 4805), (2945, 4340), (3100, 4123), (3325, 3844)]