251399840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54181}}^1$

素因数の和:54225

約数の個数: 48

約数和(自身を含む): 614423880

約数和(自身を除く): 363024040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 54181, 108362, 216724, 270905, 433448, 541810, 866896, 1083620, 1571249, 1733792, 2167240, 3142498, 4334480, 6284996, 7856245, 8668960, 12569992, 15712490, 25139984, 31424980, 50279968, 62849960, 125699920, 251399840]

約数ペア:

[(1, 251399840), (2, 125699920), (4, 62849960), (5, 50279968), (8, 31424980), (10, 25139984), (16, 15712490), (20, 12569992), (29, 8668960), (32, 7856245), (40, 6284996), (58, 4334480), (80, 3142498), (116, 2167240), (145, 1733792), (160, 1571249), (232, 1083620), (290, 866896), (464, 541810), (580, 433448), (928, 270905), (1160, 216724), (2320, 108362), (4640, 54181)]