28654850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 66662400

約数和(自身を除く): 38007550

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 31, 35, 38, 50, 62, 70, 95, 133, 139, 155, 175, 190, 217, 266, 278, 310, 350, 434, 475, 589, 665, 695, 775, 950, 973, 1085, 1178, 1330, 1390, 1550, 1946, 2170, 2641, 2945, 3325, 3475, 4123, 4309, 4865, 5282, 5425, 5890, 6650, 6950, 8246, 8618, 9730, 10850, 13205, 14725, 18487, 20615, 21545, 24325, 26410, 29450, 30163, 36974, 41230, 43090, 48650, 60326, 66025, 81871, 92435, 103075, 107725, 132050, 150815, 163742, 184870, 206150, 215450, 301630, 409355, 462175, 573097, 754075, 818710, 924350, 1146194, 1508150, 2046775, 2865485, 4093550, 5730970, 14327425, 28654850]

約数ペア:

[(1, 28654850), (2, 14327425), (5, 5730970), (7, 4093550), (10, 2865485), (14, 2046775), (19, 1508150), (25, 1146194), (31, 924350), (35, 818710), (38, 754075), (50, 573097), (62, 462175), (70, 409355), (95, 301630), (133, 215450), (139, 206150), (155, 184870), (175, 163742), (190, 150815), (217, 132050), (266, 107725), (278, 103075), (310, 92435), (350, 81871), (434, 66025), (475, 60326), (589, 48650), (665, 43090), (695, 41230), (775, 36974), (950, 30163), (973, 29450), (1085, 26410), (1178, 24325), (1330, 21545), (1390, 20615), (1550, 18487), (1946, 14725), (2170, 13205), (2641, 10850), (2945, 9730), (3325, 8618), (3475, 8246), (4123, 6950), (4309, 6650), (4865, 5890), (5282, 5425)]