28660590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 88884432

約数和(自身を除く): 60223842

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 67, 70, 90, 97, 98, 105, 126, 134, 147, 194, 201, 210, 245, 291, 294, 315, 335, 402, 441, 469, 485, 490, 582, 603, 630, 670, 679, 735, 873, 882, 938, 970, 1005, 1206, 1358, 1407, 1455, 1470, 1746, 2010, 2037, 2205, 2345, 2814, 2910, 3015, 3283, 3395, 4074, 4221, 4365, 4410, 4690, 4753, 6030, 6111, 6499, 6566, 6790, 7035, 8442, 8730, 9506, 9849, 10185, 12222, 12998, 14070, 14259, 16415, 19497, 19698, 20370, 21105, 23765, 28518, 29547, 30555, 32495, 32830, 38994, 42210, 42777, 45493, 47530, 49245, 58491, 59094, 61110, 64990, 71295, 85554, 90986, 97485, 98490, 116982, 136479, 142590, 147735, 194970, 213885, 227465, 272958, 292455, 295470, 318451, 409437, 427770, 454930, 584910, 636902, 682395, 818874, 955353, 1364790, 1592255, 1910706, 2047185, 2866059, 3184510, 4094370, 4776765, 5732118, 9553530, 14330295, 28660590]

約数ペア:

[(1, 28660590), (2, 14330295), (3, 9553530), (5, 5732118), (6, 4776765), (7, 4094370), (9, 3184510), (10, 2866059), (14, 2047185), (15, 1910706), (18, 1592255), (21, 1364790), (30, 955353), (35, 818874), (42, 682395), (45, 636902), (49, 584910), (63, 454930), (67, 427770), (70, 409437), (90, 318451), (97, 295470), (98, 292455), (105, 272958), (126, 227465), (134, 213885), (147, 194970), (194, 147735), (201, 142590), (210, 136479), (245, 116982), (291, 98490), (294, 97485), (315, 90986), (335, 85554), (402, 71295), (441, 64990), (469, 61110), (485, 59094), (490, 58491), (582, 49245), (603, 47530), (630, 45493), (670, 42777), (679, 42210), (735, 38994), (873, 32830), (882, 32495), (938, 30555), (970, 29547), (1005, 28518), (1206, 23765), (1358, 21105), (1407, 20370), (1455, 19698), (1470, 19497), (1746, 16415), (2010, 14259), (2037, 14070), (2205, 12998), (2345, 12222), (2814, 10185), (2910, 9849), (3015, 9506), (3283, 8730), (3395, 8442), (4074, 7035), (4221, 6790), (4365, 6566), (4410, 6499), (4690, 6111), (4753, 6030)]