28744980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 88905600

約数和(自身を除く): 60160620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 97, 110, 132, 165, 194, 220, 291, 330, 388, 449, 485, 582, 660, 898, 970, 1067, 1164, 1347, 1455, 1796, 1940, 2134, 2245, 2694, 2910, 3201, 4268, 4490, 4939, 5335, 5388, 5820, 6402, 6735, 8980, 9878, 10670, 12804, 13470, 14817, 16005, 19756, 21340, 24695, 26940, 29634, 32010, 43553, 49390, 59268, 64020, 74085, 87106, 98780, 130659, 148170, 174212, 217765, 261318, 296340, 435530, 479083, 522636, 653295, 871060, 958166, 1306590, 1437249, 1916332, 2395415, 2613180, 2874498, 4790830, 5748996, 7186245, 9581660, 14372490, 28744980]

約数ペア:

[(1, 28744980), (2, 14372490), (3, 9581660), (4, 7186245), (5, 5748996), (6, 4790830), (10, 2874498), (11, 2613180), (12, 2395415), (15, 1916332), (20, 1437249), (22, 1306590), (30, 958166), (33, 871060), (44, 653295), (55, 522636), (60, 479083), (66, 435530), (97, 296340), (110, 261318), (132, 217765), (165, 174212), (194, 148170), (220, 130659), (291, 98780), (330, 87106), (388, 74085), (449, 64020), (485, 59268), (582, 49390), (660, 43553), (898, 32010), (970, 29634), (1067, 26940), (1164, 24695), (1347, 21340), (1455, 19756), (1796, 16005), (1940, 14817), (2134, 13470), (2245, 12804), (2694, 10670), (2910, 9878), (3201, 8980), (4268, 6735), (4490, 6402), (4939, 5820), (5335, 5388)]