280826840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7541}}^1$

素因数の和:7585

約数の個数: 96

約数和(自身を含む): 773809200

約数和(自身を除く): 492982360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2660, 3724, 4655, 5320, 7448, 7541, 9310, 15082, 18620, 30164, 37240, 37705, 52787, 60328, 75410, 105574, 143279, 150820, 211148, 263935, 286558, 301640, 369509, 422296, 527870, 573116, 716395, 739018, 1002953, 1055740, 1146232, 1432790, 1478036, 1847545, 2005906, 2111480, 2865580, 2956072, 3695090, 4011812, 5014765, 5731160, 7020671, 7390180, 8023624, 10029530, 14041342, 14780360, 20059060, 28082684, 35103355, 40118120, 56165368, 70206710, 140413420, 280826840]

約数ペア:

[(1, 280826840), (2, 140413420), (4, 70206710), (5, 56165368), (7, 40118120), (8, 35103355), (10, 28082684), (14, 20059060), (19, 14780360), (20, 14041342), (28, 10029530), (35, 8023624), (38, 7390180), (40, 7020671), (49, 5731160), (56, 5014765), (70, 4011812), (76, 3695090), (95, 2956072), (98, 2865580), (133, 2111480), (140, 2005906), (152, 1847545), (190, 1478036), (196, 1432790), (245, 1146232), (266, 1055740), (280, 1002953), (380, 739018), (392, 716395), (490, 573116), (532, 527870), (665, 422296), (760, 369509), (931, 301640), (980, 286558), (1064, 263935), (1330, 211148), (1862, 150820), (1960, 143279), (2660, 105574), (3724, 75410), (4655, 60328), (5320, 52787), (7448, 37705), (7541, 37240), (9310, 30164), (15082, 18620)]