278300872780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1\times {\mathrm{26153}}^1$

素因数の和:28819

約数の個数: 96

約数和(自身を含む): 691243943040

約数和(自身を除く): 412943070260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 2621, 4060, 5242, 10484, 13105, 18347, 26153, 26210, 36694, 52306, 52420, 73388, 76009, 91735, 104612, 130765, 152018, 183071, 183470, 261530, 304036, 366142, 366940, 380045, 523060, 532063, 732284, 758437, 760090, 915355, 1064126, 1516874, 1520180, 1830710, 2128252, 2660315, 3033748, 3661420, 3792185, 5309059, 5320630, 7584370, 10618118, 10641260, 15168740, 21236236, 26545295, 53090590, 68547013, 106181180, 137094026, 274188052, 342735065, 479829091, 685470130, 959658182, 1370940260, 1919316364, 1987863377, 2399145455, 3975726754, 4798290910, 7951453508, 9596581820, 9939316885, 13915043639, 19878633770, 27830087278, 39757267540, 55660174556, 69575218195, 139150436390, 278300872780]

約数ペア:

[(1, 278300872780), (2, 139150436390), (4, 69575218195), (5, 55660174556), (7, 39757267540), (10, 27830087278), (14, 19878633770), (20, 13915043639), (28, 9939316885), (29, 9596581820), (35, 7951453508), (58, 4798290910), (70, 3975726754), (116, 2399145455), (140, 1987863377), (145, 1919316364), (203, 1370940260), (290, 959658182), (406, 685470130), (580, 479829091), (812, 342735065), (1015, 274188052), (2030, 137094026), (2621, 106181180), (4060, 68547013), (5242, 53090590), (10484, 26545295), (13105, 21236236), (18347, 15168740), (26153, 10641260), (26210, 10618118), (36694, 7584370), (52306, 5320630), (52420, 5309059), (73388, 3792185), (76009, 3661420), (91735, 3033748), (104612, 2660315), (130765, 2128252), (152018, 1830710), (183071, 1520180), (183470, 1516874), (261530, 1064126), (304036, 915355), (366142, 760090), (366940, 758437), (380045, 732284), (523060, 532063)]