196980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 651168

約数和(自身を除く): 454188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 67, 70, 84, 98, 105, 134, 140, 147, 196, 201, 210, 245, 268, 294, 335, 402, 420, 469, 490, 588, 670, 735, 804, 938, 980, 1005, 1340, 1407, 1470, 1876, 2010, 2345, 2814, 2940, 3283, 4020, 4690, 5628, 6566, 7035, 9380, 9849, 13132, 14070, 16415, 19698, 28140, 32830, 39396, 49245, 65660, 98490, 196980]

約数ペア:

[(1, 196980), (2, 98490), (3, 65660), (4, 49245), (5, 39396), (6, 32830), (7, 28140), (10, 19698), (12, 16415), (14, 14070), (15, 13132), (20, 9849), (21, 9380), (28, 7035), (30, 6566), (35, 5628), (42, 4690), (49, 4020), (60, 3283), (67, 2940), (70, 2814), (84, 2345), (98, 2010), (105, 1876), (134, 1470), (140, 1407), (147, 1340), (196, 1005), (201, 980), (210, 938), (245, 804), (268, 735), (294, 670), (335, 588), (402, 490), (420, 469)]