28873020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 91967904

約数和(自身を除く): 63094884

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 66, 82, 97, 110, 121, 123, 132, 164, 165, 194, 205, 220, 242, 246, 291, 330, 363, 388, 410, 451, 484, 485, 492, 582, 605, 615, 660, 726, 820, 902, 970, 1067, 1164, 1210, 1230, 1353, 1452, 1455, 1804, 1815, 1940, 2134, 2255, 2420, 2460, 2706, 2910, 3201, 3630, 3977, 4268, 4510, 4961, 5335, 5412, 5820, 6402, 6765, 7260, 7954, 9020, 9922, 10670, 11737, 11931, 12804, 13530, 14883, 15908, 16005, 19844, 19885, 21340, 23474, 23862, 24805, 27060, 29766, 32010, 35211, 39770, 43747, 46948, 47724, 49610, 58685, 59532, 59655, 64020, 70422, 74415, 79540, 87494, 99220, 117370, 119310, 131241, 140844, 148830, 174988, 176055, 218735, 234740, 238620, 262482, 297660, 352110, 437470, 481217, 524964, 656205, 704220, 874940, 962434, 1312410, 1443651, 1924868, 2406085, 2624820, 2887302, 4812170, 5774604, 7218255, 9624340, 14436510, 28873020]

約数ペア:

[(1, 28873020), (2, 14436510), (3, 9624340), (4, 7218255), (5, 5774604), (6, 4812170), (10, 2887302), (11, 2624820), (12, 2406085), (15, 1924868), (20, 1443651), (22, 1312410), (30, 962434), (33, 874940), (41, 704220), (44, 656205), (55, 524964), (60, 481217), (66, 437470), (82, 352110), (97, 297660), (110, 262482), (121, 238620), (123, 234740), (132, 218735), (164, 176055), (165, 174988), (194, 148830), (205, 140844), (220, 131241), (242, 119310), (246, 117370), (291, 99220), (330, 87494), (363, 79540), (388, 74415), (410, 70422), (451, 64020), (484, 59655), (485, 59532), (492, 58685), (582, 49610), (605, 47724), (615, 46948), (660, 43747), (726, 39770), (820, 35211), (902, 32010), (970, 29766), (1067, 27060), (1164, 24805), (1210, 23862), (1230, 23474), (1353, 21340), (1452, 19885), (1455, 19844), (1804, 16005), (1815, 15908), (1940, 14883), (2134, 13530), (2255, 12804), (2420, 11931), (2460, 11737), (2706, 10670), (2910, 9922), (3201, 9020), (3630, 7954), (3977, 7260), (4268, 6765), (4510, 6402), (4961, 5820), (5335, 5412)]