2886100

素因数分解:

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

素因数の和:78

約数の個数: 108

約数和(自身を含む): 7916160

約数和(自身を除く): 5030060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 31, 35, 38, 49, 50, 62, 70, 76, 95, 98, 100, 124, 133, 140, 155, 175, 190, 196, 217, 245, 266, 310, 350, 380, 434, 475, 490, 532, 589, 620, 665, 700, 775, 868, 931, 950, 980, 1085, 1178, 1225, 1330, 1519, 1550, 1862, 1900, 2170, 2356, 2450, 2660, 2945, 3038, 3100, 3325, 3724, 4123, 4340, 4655, 4900, 5425, 5890, 6076, 6650, 7595, 8246, 9310, 10850, 11780, 13300, 14725, 15190, 16492, 18620, 20615, 21700, 23275, 28861, 29450, 30380, 37975, 41230, 46550, 57722, 58900, 75950, 82460, 93100, 103075, 115444, 144305, 151900, 206150, 288610, 412300, 577220, 721525, 1443050, 2886100]

約数ペア:

[(1, 2886100), (2, 1443050), (4, 721525), (5, 577220), (7, 412300), (10, 288610), (14, 206150), (19, 151900), (20, 144305), (25, 115444), (28, 103075), (31, 93100), (35, 82460), (38, 75950), (49, 58900), (50, 57722), (62, 46550), (70, 41230), (76, 37975), (95, 30380), (98, 29450), (100, 28861), (124, 23275), (133, 21700), (140, 20615), (155, 18620), (175, 16492), (190, 15190), (196, 14725), (217, 13300), (245, 11780), (266, 10850), (310, 9310), (350, 8246), (380, 7595), (434, 6650), (475, 6076), (490, 5890), (532, 5425), (589, 4900), (620, 4655), (665, 4340), (700, 4123), (775, 3724), (868, 3325), (931, 3100), (950, 3038), (980, 2945), (1085, 2660), (1178, 2450), (1225, 2356), (1330, 2170), (1519, 1900), (1550, 1862)]